Home / 887,416.10-1,331,124.15-607,480.10

Finding the Fourth Proportional to 887,416.10, 1,331,124.15 and 607,480.10

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Solution

The fourth proportional to 887,416.10, 1,331,124.15 and 607,480.10 is: 911,220.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,416.10 : 1,331,124.15 = 607,480.10 : x
  2. Step 2: Convert to fraction form
    887,416.10/1,331,124.15 = 607,480.10/x
  3. Step 3: Cross multiply
    887,416.10x = 1,331,124.15 × 607,480.10
  4. Step 4: Simplify right side
    887,416.10x = 808,631,431,754.42
  5. Step 5: Solve for x
    x = 808,631,431,754.42/887,416.10
  6. Step 6: Final answer
    x = 911,220.15

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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.