Home / 385,788.80-532,152.96-254,966.24

Finding the Fourth Proportional to 385,788.80, 532,152.96 and 254,966.24

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Solution

The fourth proportional to 385,788.80, 532,152.96 and 254,966.24 is: 351,697.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,788.80 : 532,152.96 = 254,966.24 : x
  2. Step 2: Convert to fraction form
    385,788.80/532,152.96 = 254,966.24/x
  3. Step 3: Cross multiply
    385,788.80x = 532,152.96 × 254,966.24
  4. Step 4: Simplify right side
    385,788.80x = 135,681,039,316.07
  5. Step 5: Solve for x
    x = 135,681,039,316.07/385,788.80
  6. Step 6: Final answer
    x = 351,697.71

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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.