Home / 761,118.60-1,049,119.50-516,023.94

Finding the Fourth Proportional to 761,118.60, 1,049,119.50 and 516,023.94

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Solution

The fourth proportional to 761,118.60, 1,049,119.50 and 516,023.94 is: 711,283.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,118.60 : 1,049,119.50 = 516,023.94 : x
  2. Step 2: Convert to fraction form
    761,118.60/1,049,119.50 = 516,023.94/x
  3. Step 3: Cross multiply
    761,118.60x = 1,049,119.50 × 516,023.94
  4. Step 4: Simplify right side
    761,118.60x = 541,370,777,920.83
  5. Step 5: Solve for x
    x = 541,370,777,920.83/761,118.60
  6. Step 6: Final answer
    x = 711,283.07

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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.