Home / 385,819.61-532,459.10-232,895.05

Finding the Fourth Proportional to 385,819.61, 532,459.10 and 232,895.05

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Solution

The fourth proportional to 385,819.61, 532,459.10 and 232,895.05 is: 321,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,819.61 : 532,459.10 = 232,895.05 : x
  2. Step 2: Convert to fraction form
    385,819.61/532,459.10 = 232,895.05/x
  3. Step 3: Cross multiply
    385,819.61x = 532,459.10 × 232,895.05
  4. Step 4: Simplify right side
    385,819.61x = 124,007,087,968.55
  5. Step 5: Solve for x
    x = 124,007,087,968.55/385,819.61
  6. Step 6: Final answer
    x = 321,412.10

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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.