Home / 623,928.10-935,892.15-545,196.10

Finding the Fourth Proportional to 623,928.10, 935,892.15 and 545,196.10

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Solution

The fourth proportional to 623,928.10, 935,892.15 and 545,196.10 is: 817,794.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,928.10 : 935,892.15 = 545,196.10 : x
  2. Step 2: Convert to fraction form
    623,928.10/935,892.15 = 545,196.10/x
  3. Step 3: Cross multiply
    623,928.10x = 935,892.15 × 545,196.10
  4. Step 4: Simplify right side
    623,928.10x = 510,244,750,200.62
  5. Step 5: Solve for x
    x = 510,244,750,200.62/623,928.10
  6. Step 6: Final answer
    x = 817,794.15

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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.