Home / 409,223.04-564,753.60-230,386.56

Finding the Fourth Proportional to 409,223.04, 564,753.60 and 230,386.56

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Solution

The fourth proportional to 409,223.04, 564,753.60 and 230,386.56 is: 317,947.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,223.04 : 564,753.60 = 230,386.56 : x
  2. Step 2: Convert to fraction form
    409,223.04/564,753.60 = 230,386.56/x
  3. Step 3: Cross multiply
    409,223.04x = 564,753.60 × 230,386.56
  4. Step 4: Simplify right side
    409,223.04x = 130,111,639,151.62
  5. Step 5: Solve for x
    x = 130,111,639,151.62/409,223.04
  6. Step 6: Final answer
    x = 317,947.98

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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.