Home / 623,837.60-935,756.40-545,105.60

Finding the Fourth Proportional to 623,837.60, 935,756.40 and 545,105.60

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Solution

The fourth proportional to 623,837.60, 935,756.40 and 545,105.60 is: 817,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,837.60 : 935,756.40 = 545,105.60 : x
  2. Step 2: Convert to fraction form
    623,837.60/935,756.40 = 545,105.60/x
  3. Step 3: Cross multiply
    623,837.60x = 935,756.40 × 545,105.60
  4. Step 4: Simplify right side
    623,837.60x = 510,086,053,875.84
  5. Step 5: Solve for x
    x = 510,086,053,875.84/623,837.60
  6. Step 6: Final answer
    x = 817,658.40

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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.