Home / 926,539.59-1,278,565.38-518,572.83

Finding the Fourth Proportional to 926,539.59, 1,278,565.38 and 518,572.83

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Solution

The fourth proportional to 926,539.59, 1,278,565.38 and 518,572.83 is: 715,597.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,539.59 : 1,278,565.38 = 518,572.83 : x
  2. Step 2: Convert to fraction form
    926,539.59/1,278,565.38 = 518,572.83/x
  3. Step 3: Cross multiply
    926,539.59x = 1,278,565.38 × 518,572.83
  4. Step 4: Simplify right side
    926,539.59x = 663,029,267,446.63
  5. Step 5: Solve for x
    x = 663,029,267,446.63/926,539.59
  6. Step 6: Final answer
    x = 715,597.34

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Double scale
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1.5x scale

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.