Home / 677,929.92-935,540.71-372,011.41

Finding the Fourth Proportional to 677,929.92, 935,540.71 and 372,011.41

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Solution

The fourth proportional to 677,929.92, 935,540.71 and 372,011.41 is: 513,374.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,929.92 : 935,540.71 = 372,011.41 : x
  2. Step 2: Convert to fraction form
    677,929.92/935,540.71 = 372,011.41/x
  3. Step 3: Cross multiply
    677,929.92x = 935,540.71 × 372,011.41
  4. Step 4: Simplify right side
    677,929.92x = 348,031,818,639.50
  5. Step 5: Solve for x
    x = 348,031,818,639.50/677,929.92
  6. Step 6: Final answer
    x = 513,374.33

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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.