Home / 541,799.10-747,675.20-312,356.82

Finding the Fourth Proportional to 541,799.10, 747,675.20 and 312,356.82

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Solution

The fourth proportional to 541,799.10, 747,675.20 and 312,356.82 is: 431,048.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,799.10 : 747,675.20 = 312,356.82 : x
  2. Step 2: Convert to fraction form
    541,799.10/747,675.20 = 312,356.82/x
  3. Step 3: Cross multiply
    541,799.10x = 747,675.20 × 312,356.82
  4. Step 4: Simplify right side
    541,799.10x = 233,541,446,303.08
  5. Step 5: Solve for x
    x = 233,541,446,303.08/541,799.10
  6. Step 6: Final answer
    x = 431,048.05

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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.