Home / 486,056.90-729,085.35-465,061.70

Finding the Fourth Proportional to 486,056.90, 729,085.35 and 465,061.70

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Solution

The fourth proportional to 486,056.90, 729,085.35 and 465,061.70 is: 697,592.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,056.90 : 729,085.35 = 465,061.70 : x
  2. Step 2: Convert to fraction form
    486,056.90/729,085.35 = 465,061.70/x
  3. Step 3: Cross multiply
    486,056.90x = 729,085.35 × 465,061.70
  4. Step 4: Simplify right side
    486,056.90x = 339,069,672,316.10
  5. Step 5: Solve for x
    x = 339,069,672,316.10/486,056.90
  6. Step 6: Final answer
    x = 697,592.55

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Similar ratio
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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.