Home / 527,443.79-791,241.08-162,736.29

Finding the Fourth Proportional to 527,443.79, 791,241.08 and 162,736.29

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Solution

The fourth proportional to 527,443.79, 791,241.08 and 162,736.29 is: 244,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,443.79 : 791,241.08 = 162,736.29 : x
  2. Step 2: Convert to fraction form
    527,443.79/791,241.08 = 162,736.29/x
  3. Step 3: Cross multiply
    527,443.79x = 791,241.08 × 162,736.29
  4. Step 4: Simplify right side
    527,443.79x = 128,763,637,041.11
  5. Step 5: Solve for x
    x = 128,763,637,041.11/527,443.79
  6. Step 6: Final answer
    x = 244,127.70

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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.