Home / 393,192.10-541,482.08-354,097.04

Finding the Fourth Proportional to 393,192.10, 541,482.08 and 354,097.04

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Solution

The fourth proportional to 393,192.10, 541,482.08 and 354,097.04 is: 487,642.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,192.10 : 541,482.08 = 354,097.04 : x
  2. Step 2: Convert to fraction form
    393,192.10/541,482.08 = 354,097.04/x
  3. Step 3: Cross multiply
    393,192.10x = 541,482.08 × 354,097.04
  4. Step 4: Simplify right side
    393,192.10x = 191,737,201,741.04
  5. Step 5: Solve for x
    x = 191,737,201,741.04/393,192.10
  6. Step 6: Final answer
    x = 487,642.56

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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.