Home / 870,780.60-1,201,927.68-526,617

Finding the Fourth Proportional to 870,780.60, 1,201,927.68 and 526,617

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Solution

The fourth proportional to 870,780.60, 1,201,927.68 and 526,617 is: 726,882.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,780.60 : 1,201,927.68 = 526,617 : x
  2. Step 2: Convert to fraction form
    870,780.60/1,201,927.68 = 526,617/x
  3. Step 3: Cross multiply
    870,780.60x = 1,201,927.68 × 526,617
  4. Step 4: Simplify right side
    870,780.60x = 632,955,549,058.56
  5. Step 5: Solve for x
    x = 632,955,549,058.56/870,780.60
  6. Step 6: Final answer
    x = 726,882.92

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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.