Home / 839,254.28-1,158,138.40-457,283.92

Finding the Fourth Proportional to 839,254.28, 1,158,138.40 and 457,283.92

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Solution

The fourth proportional to 839,254.28, 1,158,138.40 and 457,283.92 is: 631,034.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,254.28 : 1,158,138.40 = 457,283.92 : x
  2. Step 2: Convert to fraction form
    839,254.28/1,158,138.40 = 457,283.92/x
  3. Step 3: Cross multiply
    839,254.28x = 1,158,138.40 × 457,283.92
  4. Step 4: Simplify right side
    839,254.28x = 529,598,067,454.53
  5. Step 5: Solve for x
    x = 529,598,067,454.53/839,254.28
  6. Step 6: Final answer
    x = 631,034.10

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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.