Home / 415,680.18-573,638.40-224,693.58

Finding the Fourth Proportional to 415,680.18, 573,638.40 and 224,693.58

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Solution

The fourth proportional to 415,680.18, 573,638.40 and 224,693.58 is: 310,077.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,680.18 : 573,638.40 = 224,693.58 : x
  2. Step 2: Convert to fraction form
    415,680.18/573,638.40 = 224,693.58/x
  3. Step 3: Cross multiply
    415,680.18x = 573,638.40 × 224,693.58
  4. Step 4: Simplify right side
    415,680.18x = 128,892,865,721.47
  5. Step 5: Solve for x
    x = 128,892,865,721.47/415,680.18
  6. Step 6: Final answer
    x = 310,077.01

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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.