Home / 757,769.71-1,045,722.21-516,473.83

Finding the Fourth Proportional to 757,769.71, 1,045,722.21 and 516,473.83

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Solution

The fourth proportional to 757,769.71, 1,045,722.21 and 516,473.83 is: 712,733.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,769.71 : 1,045,722.21 = 516,473.83 : x
  2. Step 2: Convert to fraction form
    757,769.71/1,045,722.21 = 516,473.83/x
  3. Step 3: Cross multiply
    757,769.71x = 1,045,722.21 × 516,473.83
  4. Step 4: Simplify right side
    757,769.71x = 540,088,154,914.76
  5. Step 5: Solve for x
    x = 540,088,154,914.76/757,769.71
  6. Step 6: Final answer
    x = 712,733.89

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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.