Home / 731,480.10-1,097,220.15-607,477.20

Finding the Fourth Proportional to 731,480.10, 1,097,220.15 and 607,477.20

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Solution

The fourth proportional to 731,480.10, 1,097,220.15 and 607,477.20 is: 911,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,480.10 : 1,097,220.15 = 607,477.20 : x
  2. Step 2: Convert to fraction form
    731,480.10/1,097,220.15 = 607,477.20/x
  3. Step 3: Cross multiply
    731,480.10x = 1,097,220.15 × 607,477.20
  4. Step 4: Simplify right side
    731,480.10x = 666,536,224,505.58
  5. Step 5: Solve for x
    x = 666,536,224,505.58/731,480.10
  6. Step 6: Final answer
    x = 911,215.80

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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.