Home / 402,193.04-554,821.10-256,846.04

Finding the Fourth Proportional to 402,193.04, 554,821.10 and 256,846.04

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Solution

The fourth proportional to 402,193.04, 554,821.10 and 256,846.04 is: 354,316.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,193.04 : 554,821.10 = 256,846.04 : x
  2. Step 2: Convert to fraction form
    402,193.04/554,821.10 = 256,846.04/x
  3. Step 3: Cross multiply
    402,193.04x = 554,821.10 × 256,846.04
  4. Step 4: Simplify right side
    402,193.04x = 142,503,602,443.44
  5. Step 5: Solve for x
    x = 142,503,602,443.44/402,193.04
  6. Step 6: Final answer
    x = 354,316.43

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1.5x scale

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.