Home / 438,177.18-604,712.70-247,186.47

Finding the Fourth Proportional to 438,177.18, 604,712.70 and 247,186.47

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Solution

The fourth proportional to 438,177.18, 604,712.70 and 247,186.47 is: 341,133.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,177.18 : 604,712.70 = 247,186.47 : x
  2. Step 2: Convert to fraction form
    438,177.18/604,712.70 = 247,186.47/x
  3. Step 3: Cross multiply
    438,177.18x = 604,712.70 × 247,186.47
  4. Step 4: Simplify right side
    438,177.18x = 149,476,797,677.17
  5. Step 5: Solve for x
    x = 149,476,797,677.17/438,177.18
  6. Step 6: Final answer
    x = 341,133.23

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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.