Home / 1,581,382.89-2,372,220.16-516,430.53

Finding the Fourth Proportional to 1,581,382.89, 2,372,220.16 and 516,430.53

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Solution

The fourth proportional to 1,581,382.89, 2,372,220.16 and 516,430.53 is: 774,693.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,382.89 : 2,372,220.16 = 516,430.53 : x
  2. Step 2: Convert to fraction form
    1,581,382.89/2,372,220.16 = 516,430.53/x
  3. Step 3: Cross multiply
    1,581,382.89x = 2,372,220.16 × 516,430.53
  4. Step 4: Simplify right side
    1,581,382.89x = 1,225,086,913,214.41
  5. Step 5: Solve for x
    x = 1,225,086,913,214.41/1,581,382.89
  6. Step 6: Final answer
    x = 774,693.42

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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.