Home / 623,729.10-935,593.65-387,533.10

Finding the Fourth Proportional to 623,729.10, 935,593.65 and 387,533.10

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Solution

The fourth proportional to 623,729.10, 935,593.65 and 387,533.10 is: 581,299.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,729.10 : 935,593.65 = 387,533.10 : x
  2. Step 2: Convert to fraction form
    623,729.10/935,593.65 = 387,533.10/x
  3. Step 3: Cross multiply
    623,729.10x = 935,593.65 × 387,533.10
  4. Step 4: Simplify right side
    623,729.10x = 362,573,507,524.82
  5. Step 5: Solve for x
    x = 362,573,507,524.82/623,729.10
  6. Step 6: Final answer
    x = 581,299.65

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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.