Home / 793,117.40-1,189,676.10-260,655.80

Finding the Fourth Proportional to 793,117.40, 1,189,676.10 and 260,655.80

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Solution

The fourth proportional to 793,117.40, 1,189,676.10 and 260,655.80 is: 390,983.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,117.40 : 1,189,676.10 = 260,655.80 : x
  2. Step 2: Convert to fraction form
    793,117.40/1,189,676.10 = 260,655.80/x
  3. Step 3: Cross multiply
    793,117.40x = 1,189,676.10 × 260,655.80
  4. Step 4: Simplify right side
    793,117.40x = 310,095,975,586.38
  5. Step 5: Solve for x
    x = 310,095,975,586.38/793,117.40
  6. Step 6: Final answer
    x = 390,983.70

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Half scale
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Double scale
Find fourth proportional to 793,118.40, 1,189,677.60 and 260,656.80
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.