Home / 349,618.80-524,428.20-293,631.60

Finding the Fourth Proportional to 349,618.80, 524,428.20 and 293,631.60

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Solution

The fourth proportional to 349,618.80, 524,428.20 and 293,631.60 is: 440,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,618.80 : 524,428.20 = 293,631.60 : x
  2. Step 2: Convert to fraction form
    349,618.80/524,428.20 = 293,631.60/x
  3. Step 3: Cross multiply
    349,618.80x = 524,428.20 × 293,631.60
  4. Step 4: Simplify right side
    349,618.80x = 153,988,691,451.12
  5. Step 5: Solve for x
    x = 153,988,691,451.12/349,618.80
  6. Step 6: Final answer
    x = 440,447.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.