Home / 1,142,251.16-1,711,574.25-421,600.97

Finding the Fourth Proportional to 1,142,251.16, 1,711,574.25 and 421,600.97

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Solution

The fourth proportional to 1,142,251.16, 1,711,574.25 and 421,600.97 is: 631,736.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,251.16 : 1,711,574.25 = 421,600.97 : x
  2. Step 2: Convert to fraction form
    1,142,251.16/1,711,574.25 = 421,600.97/x
  3. Step 3: Cross multiply
    1,142,251.16x = 1,711,574.25 × 421,600.97
  4. Step 4: Simplify right side
    1,142,251.16x = 721,601,364,027.02
  5. Step 5: Solve for x
    x = 721,601,364,027.02/1,142,251.16
  6. Step 6: Final answer
    x = 631,736.16

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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.