Home / 1,257,335.38-1,886,020.37-358,776.83

Finding the Fourth Proportional to 1,257,335.38, 1,886,020.37 and 358,776.83

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Solution

The fourth proportional to 1,257,335.38, 1,886,020.37 and 358,776.83 is: 538,170.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,335.38 : 1,886,020.37 = 358,776.83 : x
  2. Step 2: Convert to fraction form
    1,257,335.38/1,886,020.37 = 358,776.83/x
  3. Step 3: Cross multiply
    1,257,335.38x = 1,886,020.37 × 358,776.83
  4. Step 4: Simplify right side
    1,257,335.38x = 676,660,398,440.04
  5. Step 5: Solve for x
    x = 676,660,398,440.04/1,257,335.38
  6. Step 6: Final answer
    x = 538,170.17

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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.