Home / 402,192.04-554,819.72-256,845.04

Finding the Fourth Proportional to 402,192.04, 554,819.72 and 256,845.04

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Solution

The fourth proportional to 402,192.04, 554,819.72 and 256,845.04 is: 354,315.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,192.04 : 554,819.72 = 256,845.04 : x
  2. Step 2: Convert to fraction form
    402,192.04/554,819.72 = 256,845.04/x
  3. Step 3: Cross multiply
    402,192.04x = 554,819.72 × 256,845.04
  4. Step 4: Simplify right side
    402,192.04x = 142,502,693,176.19
  5. Step 5: Solve for x
    x = 142,502,693,176.19/402,192.04
  6. Step 6: Final answer
    x = 354,315.05

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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.