Home / 932,163.72-1,398,868.02-511,734.84

Finding the Fourth Proportional to 932,163.72, 1,398,868.02 and 511,734.84

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Solution

The fourth proportional to 932,163.72, 1,398,868.02 and 511,734.84 is: 767,943.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,163.72 : 1,398,868.02 = 511,734.84 : x
  2. Step 2: Convert to fraction form
    932,163.72/1,398,868.02 = 511,734.84/x
  3. Step 3: Cross multiply
    932,163.72x = 1,398,868.02 × 511,734.84
  4. Step 4: Simplify right side
    932,163.72x = 715,849,502,395.82
  5. Step 5: Solve for x
    x = 715,849,502,395.82/932,163.72
  6. Step 6: Final answer
    x = 767,943.96

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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.