Home / 1,218,532.17-1,681,626.95-674,667.96

Finding the Fourth Proportional to 1,218,532.17, 1,681,626.95 and 674,667.96

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Solution

The fourth proportional to 1,218,532.17, 1,681,626.95 and 674,667.96 is: 931,070.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,532.17 : 1,681,626.95 = 674,667.96 : x
  2. Step 2: Convert to fraction form
    1,218,532.17/1,681,626.95 = 674,667.96/x
  3. Step 3: Cross multiply
    1,218,532.17x = 1,681,626.95 × 674,667.96
  4. Step 4: Simplify right side
    1,218,532.17x = 1,134,539,823,837.52
  5. Step 5: Solve for x
    x = 1,134,539,823,837.52/1,218,532.17
  6. Step 6: Final answer
    x = 931,070.88

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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.