Home / 1,687,747.07-2,329,098.37-913,378.01

Finding the Fourth Proportional to 1,687,747.07, 2,329,098.37 and 913,378.01

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Solution

The fourth proportional to 1,687,747.07, 2,329,098.37 and 913,378.01 is: 1,260,465.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,747.07 : 2,329,098.37 = 913,378.01 : x
  2. Step 2: Convert to fraction form
    1,687,747.07/2,329,098.37 = 913,378.01/x
  3. Step 3: Cross multiply
    1,687,747.07x = 2,329,098.37 × 913,378.01
  4. Step 4: Simplify right side
    1,687,747.07x = 2,127,347,220,355.91
  5. Step 5: Solve for x
    x = 2,127,347,220,355.91/1,687,747.07
  6. Step 6: Final answer
    x = 1,260,465.66

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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.