Home / 1,581,357.67-2,372,561.38-516,434.47

Finding the Fourth Proportional to 1,581,357.67, 2,372,561.38 and 516,434.47

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Solution

The fourth proportional to 1,581,357.67, 2,372,561.38 and 516,434.47 is: 774,823.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,357.67 : 2,372,561.38 = 516,434.47 : x
  2. Step 2: Convert to fraction form
    1,581,357.67/2,372,561.38 = 516,434.47/x
  3. Step 3: Cross multiply
    1,581,357.67x = 2,372,561.38 × 516,434.47
  4. Step 4: Simplify right side
    1,581,357.67x = 1,225,272,473,536.91
  5. Step 5: Solve for x
    x = 1,225,272,473,536.91/1,581,357.67
  6. Step 6: Final answer
    x = 774,823.11

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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.