Home / 839,426.36-1,158,079.55-516,575.95

Finding the Fourth Proportional to 839,426.36, 1,158,079.55 and 516,575.95

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Solution

The fourth proportional to 839,426.36, 1,158,079.55 and 516,575.95 is: 712,672.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,426.36 : 1,158,079.55 = 516,575.95 : x
  2. Step 2: Convert to fraction form
    839,426.36/1,158,079.55 = 516,575.95/x
  3. Step 3: Cross multiply
    839,426.36x = 1,158,079.55 × 516,575.95
  4. Step 4: Simplify right side
    839,426.36x = 598,236,038,238.74
  5. Step 5: Solve for x
    x = 598,236,038,238.74/839,426.36
  6. Step 6: Final answer
    x = 712,672.45

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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.