Home / 708,527.76-1,061,100.35-392,200.08

Finding the Fourth Proportional to 708,527.76, 1,061,100.35 and 392,200.08

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Solution

The fourth proportional to 708,527.76, 1,061,100.35 and 392,200.08 is: 587,363.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,527.76 : 1,061,100.35 = 392,200.08 : x
  2. Step 2: Convert to fraction form
    708,527.76/1,061,100.35 = 392,200.08/x
  3. Step 3: Cross multiply
    708,527.76x = 1,061,100.35 × 392,200.08
  4. Step 4: Simplify right side
    708,527.76x = 416,163,642,158.03
  5. Step 5: Solve for x
    x = 416,163,642,158.03/708,527.76
  6. Step 6: Final answer
    x = 587,363.92

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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.