Home / 1,148,129.07-1,722,582.86-508,344.71

Finding the Fourth Proportional to 1,148,129.07, 1,722,582.86 and 508,344.71

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Solution

The fourth proportional to 1,148,129.07, 1,722,582.86 and 508,344.71 is: 762,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,129.07 : 1,722,582.86 = 508,344.71 : x
  2. Step 2: Convert to fraction form
    1,148,129.07/1,722,582.86 = 508,344.71/x
  3. Step 3: Cross multiply
    1,148,129.07x = 1,722,582.86 × 508,344.71
  4. Step 4: Simplify right side
    1,148,129.07x = 875,665,873,263.03
  5. Step 5: Solve for x
    x = 875,665,873,263.03/1,148,129.07
  6. Step 6: Final answer
    x = 762,689.40

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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.