Home / 865,925.19-1,194,925.28-478,717.41

Finding the Fourth Proportional to 865,925.19, 1,194,925.28 and 478,717.41

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Solution

The fourth proportional to 865,925.19, 1,194,925.28 and 478,717.41 is: 660,601.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,925.19 : 1,194,925.28 = 478,717.41 : x
  2. Step 2: Convert to fraction form
    865,925.19/1,194,925.28 = 478,717.41/x
  3. Step 3: Cross multiply
    865,925.19x = 1,194,925.28 × 478,717.41
  4. Step 4: Simplify right side
    865,925.19x = 572,031,532,791.54
  5. Step 5: Solve for x
    x = 572,031,532,791.54/865,925.19
  6. Step 6: Final answer
    x = 660,601.56

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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.