Home / 540,849.60-811,347.30-185,972.40

Finding the Fourth Proportional to 540,849.60, 811,347.30 and 185,972.40

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Solution

The fourth proportional to 540,849.60, 811,347.30 and 185,972.40 is: 278,983.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,849.60 : 811,347.30 = 185,972.40 : x
  2. Step 2: Convert to fraction form
    540,849.60/811,347.30 = 185,972.40/x
  3. Step 3: Cross multiply
    540,849.60x = 811,347.30 × 185,972.40
  4. Step 4: Simplify right side
    540,849.60x = 150,888,204,614.52
  5. Step 5: Solve for x
    x = 150,888,204,614.52/540,849.60
  6. Step 6: Final answer
    x = 278,983.67

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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.