Home / 623,730.10-935,595.15-387,534.10

Finding the Fourth Proportional to 623,730.10, 935,595.15 and 387,534.10

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Solution

The fourth proportional to 623,730.10, 935,595.15 and 387,534.10 is: 581,301.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,730.10 : 935,595.15 = 387,534.10 : x
  2. Step 2: Convert to fraction form
    623,730.10/935,595.15 = 387,534.10/x
  3. Step 3: Cross multiply
    623,730.10x = 935,595.15 × 387,534.10
  4. Step 4: Simplify right side
    623,730.10x = 362,575,024,419.62
  5. Step 5: Solve for x
    x = 362,575,024,419.62/623,730.10
  6. Step 6: Final answer
    x = 581,301.15

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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.