Home / 453,233.20-679,828.20-153,684.40

Finding the Fourth Proportional to 453,233.20, 679,828.20 and 153,684.40

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Solution

The fourth proportional to 453,233.20, 679,828.20 and 153,684.40 is: 230,519.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,233.20 : 679,828.20 = 153,684.40 : x
  2. Step 2: Convert to fraction form
    453,233.20/679,828.20 = 153,684.40/x
  3. Step 3: Cross multiply
    453,233.20x = 679,828.20 × 153,684.40
  4. Step 4: Simplify right side
    453,233.20x = 104,478,989,020.08
  5. Step 5: Solve for x
    x = 104,478,989,020.08/453,233.20
  6. Step 6: Final answer
    x = 230,519.28

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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.