Home / 753,461-1,039,776.60-413,951.12

Finding the Fourth Proportional to 753,461, 1,039,776.60 and 413,951.12

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Solution

The fourth proportional to 753,461, 1,039,776.60 and 413,951.12 is: 571,252.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,461 : 1,039,776.60 = 413,951.12 : x
  2. Step 2: Convert to fraction form
    753,461/1,039,776.60 = 413,951.12/x
  3. Step 3: Cross multiply
    753,461x = 1,039,776.60 × 413,951.12
  4. Step 4: Simplify right side
    753,461x = 430,416,688,119.79
  5. Step 5: Solve for x
    x = 430,416,688,119.79/753,461
  6. Step 6: Final answer
    x = 571,252.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.