Home / 435,728.85-652,381.05-222,036.08

Finding the Fourth Proportional to 435,728.85, 652,381.05 and 222,036.08

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Solution

The fourth proportional to 435,728.85, 652,381.05 and 222,036.08 is: 332,436.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,728.85 : 652,381.05 = 222,036.08 : x
  2. Step 2: Convert to fraction form
    435,728.85/652,381.05 = 222,036.08/x
  3. Step 3: Cross multiply
    435,728.85x = 652,381.05 × 222,036.08
  4. Step 4: Simplify right side
    435,728.85x = 144,852,127,746.38
  5. Step 5: Solve for x
    x = 144,852,127,746.38/435,728.85
  6. Step 6: Final answer
    x = 332,436.39

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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.