Home / 615,829.60-922,966.80-545,845.60

Finding the Fourth Proportional to 615,829.60, 922,966.80 and 545,845.60

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Solution

The fourth proportional to 615,829.60, 922,966.80 and 545,845.60 is: 818,079.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,829.60 : 922,966.80 = 545,845.60 : x
  2. Step 2: Convert to fraction form
    615,829.60/922,966.80 = 545,845.60/x
  3. Step 3: Cross multiply
    615,829.60x = 922,966.80 × 545,845.60
  4. Step 4: Simplify right side
    615,829.60x = 503,797,366,726.08
  5. Step 5: Solve for x
    x = 503,797,366,726.08/615,829.60
  6. Step 6: Final answer
    x = 818,079.17

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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.