Home / 1,149,001.71-1,585,901.67-665,488.81

Finding the Fourth Proportional to 1,149,001.71, 1,585,901.67 and 665,488.81

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Solution

The fourth proportional to 1,149,001.71, 1,585,901.67 and 665,488.81 is: 918,536.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,001.71 : 1,585,901.67 = 665,488.81 : x
  2. Step 2: Convert to fraction form
    1,149,001.71/1,585,901.67 = 665,488.81/x
  3. Step 3: Cross multiply
    1,149,001.71x = 1,585,901.67 × 665,488.81
  4. Step 4: Simplify right side
    1,149,001.71x = 1,055,399,815,145.31
  5. Step 5: Solve for x
    x = 1,055,399,815,145.31/1,149,001.71
  6. Step 6: Final answer
    x = 918,536.33

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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.