Home / 839,433.01-1,158,088.67-516,582.61

Finding the Fourth Proportional to 839,433.01, 1,158,088.67 and 516,582.61

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Solution

The fourth proportional to 839,433.01, 1,158,088.67 and 516,582.61 is: 712,681.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,433.01 : 1,158,088.67 = 516,582.61 : x
  2. Step 2: Convert to fraction form
    839,433.01/1,158,088.67 = 516,582.61/x
  3. Step 3: Cross multiply
    839,433.01x = 1,158,088.67 × 516,582.61
  4. Step 4: Simplify right side
    839,433.01x = 598,248,467,760.03
  5. Step 5: Solve for x
    x = 598,248,467,760.03/839,433.01
  6. Step 6: Final answer
    x = 712,681.61

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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.