Home / 581,320.64-871,972.32-160,587.20

Finding the Fourth Proportional to 581,320.64, 871,972.32 and 160,587.20

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Solution

The fourth proportional to 581,320.64, 871,972.32 and 160,587.20 is: 240,878.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,320.64 : 871,972.32 = 160,587.20 : x
  2. Step 2: Convert to fraction form
    581,320.64/871,972.32 = 160,587.20/x
  3. Step 3: Cross multiply
    581,320.64x = 871,972.32 × 160,587.20
  4. Step 4: Simplify right side
    581,320.64x = 140,027,593,346.30
  5. Step 5: Solve for x
    x = 140,027,593,346.30/581,320.64
  6. Step 6: Final answer
    x = 240,878.41

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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.