Home / 623,911.60-935,867.40-545,179.60

Finding the Fourth Proportional to 623,911.60, 935,867.40 and 545,179.60

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Solution

The fourth proportional to 623,911.60, 935,867.40 and 545,179.60 is: 817,769.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,911.60 : 935,867.40 = 545,179.60 : x
  2. Step 2: Convert to fraction form
    623,911.60/935,867.40 = 545,179.60/x
  3. Step 3: Cross multiply
    623,911.60x = 935,867.40 × 545,179.60
  4. Step 4: Simplify right side
    623,911.60x = 510,215,814,785.04
  5. Step 5: Solve for x
    x = 510,215,814,785.04/623,911.60
  6. Step 6: Final answer
    x = 817,769.40

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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.