Home / 651,234.80-976,852.20-605,615.60

Finding the Fourth Proportional to 651,234.80, 976,852.20 and 605,615.60

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Solution

The fourth proportional to 651,234.80, 976,852.20 and 605,615.60 is: 908,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,234.80 : 976,852.20 = 605,615.60 : x
  2. Step 2: Convert to fraction form
    651,234.80/976,852.20 = 605,615.60/x
  3. Step 3: Cross multiply
    651,234.80x = 976,852.20 × 605,615.60
  4. Step 4: Simplify right side
    651,234.80x = 591,596,931,214.32
  5. Step 5: Solve for x
    x = 591,596,931,214.32/651,234.80
  6. Step 6: Final answer
    x = 908,423.40

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Half scale
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Double scale
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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.