Home / 1,217,392.17-1,680,539.30-727,534.54

Finding the Fourth Proportional to 1,217,392.17, 1,680,539.30 and 727,534.54

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Solution

The fourth proportional to 1,217,392.17, 1,680,539.30 and 727,534.54 is: 1,004,319.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,392.17 : 1,680,539.30 = 727,534.54 : x
  2. Step 2: Convert to fraction form
    1,217,392.17/1,680,539.30 = 727,534.54/x
  3. Step 3: Cross multiply
    1,217,392.17x = 1,680,539.30 × 727,534.54
  4. Step 4: Simplify right side
    1,217,392.17x = 1,222,650,386,577.42
  5. Step 5: Solve for x
    x = 1,222,650,386,577.42/1,217,392.17
  6. Step 6: Final answer
    x = 1,004,319.25

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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.