Home / 988,239.32-1,363,713.64-546,687.53

Finding the Fourth Proportional to 988,239.32, 1,363,713.64 and 546,687.53

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Solution

The fourth proportional to 988,239.32, 1,363,713.64 and 546,687.53 is: 754,397.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,239.32 : 1,363,713.64 = 546,687.53 : x
  2. Step 2: Convert to fraction form
    988,239.32/1,363,713.64 = 546,687.53/x
  3. Step 3: Cross multiply
    988,239.32x = 1,363,713.64 × 546,687.53
  4. Step 4: Simplify right side
    988,239.32x = 745,525,238,407.55
  5. Step 5: Solve for x
    x = 745,525,238,407.55/988,239.32
  6. Step 6: Final answer
    x = 754,397.47

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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.