Home / 578,748.60-868,122.90-298,812.60

Finding the Fourth Proportional to 578,748.60, 868,122.90 and 298,812.60

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Solution

The fourth proportional to 578,748.60, 868,122.90 and 298,812.60 is: 448,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,748.60 : 868,122.90 = 298,812.60 : x
  2. Step 2: Convert to fraction form
    578,748.60/868,122.90 = 298,812.60/x
  3. Step 3: Cross multiply
    578,748.60x = 868,122.90 × 298,812.60
  4. Step 4: Simplify right side
    578,748.60x = 259,406,060,868.54
  5. Step 5: Solve for x
    x = 259,406,060,868.54/578,748.60
  6. Step 6: Final answer
    x = 448,218.90

Related Problems

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Half scale
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Double scale
Find fourth proportional to 578,749.60, 868,124.40 and 298,813.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.