Home / 623,718.10-935,577.15-576,478.90

Finding the Fourth Proportional to 623,718.10, 935,577.15 and 576,478.90

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Solution

The fourth proportional to 623,718.10, 935,577.15 and 576,478.90 is: 864,718.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,718.10 : 935,577.15 = 576,478.90 : x
  2. Step 2: Convert to fraction form
    623,718.10/935,577.15 = 576,478.90/x
  3. Step 3: Cross multiply
    623,718.10x = 935,577.15 × 576,478.90
  4. Step 4: Simplify right side
    623,718.10x = 539,340,486,297.14
  5. Step 5: Solve for x
    x = 539,340,486,297.14/623,718.10
  6. Step 6: Final answer
    x = 864,718.35

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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.