Home / 1,031,682.60-1,547,742.60-311,965.20

Finding the Fourth Proportional to 1,031,682.60, 1,547,742.60 and 311,965.20

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Solution

The fourth proportional to 1,031,682.60, 1,547,742.60 and 311,965.20 is: 468,013.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,682.60 : 1,547,742.60 = 311,965.20 : x
  2. Step 2: Convert to fraction form
    1,031,682.60/1,547,742.60 = 311,965.20/x
  3. Step 3: Cross multiply
    1,031,682.60x = 1,547,742.60 × 311,965.20
  4. Step 4: Simplify right side
    1,031,682.60x = 482,841,829,757.52
  5. Step 5: Solve for x
    x = 482,841,829,757.52/1,031,682.60
  6. Step 6: Final answer
    x = 468,013.93

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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.