Home / 464,901.10-697,351.20-127,943.68

Finding the Fourth Proportional to 464,901.10, 697,351.20 and 127,943.68

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Solution

The fourth proportional to 464,901.10, 697,351.20 and 127,943.68 is: 191,915.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,901.10 : 697,351.20 = 127,943.68 : x
  2. Step 2: Convert to fraction form
    464,901.10/697,351.20 = 127,943.68/x
  3. Step 3: Cross multiply
    464,901.10x = 697,351.20 × 127,943.68
  4. Step 4: Simplify right side
    464,901.10x = 89,221,678,780.42
  5. Step 5: Solve for x
    x = 89,221,678,780.42/464,901.10
  6. Step 6: Final answer
    x = 191,915.40

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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.