Home / 773,349.28-1,159,655.76-317,869.36

Finding the Fourth Proportional to 773,349.28, 1,159,655.76 and 317,869.36

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Solution

The fourth proportional to 773,349.28, 1,159,655.76 and 317,869.36 is: 476,652.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,349.28 : 1,159,655.76 = 317,869.36 : x
  2. Step 2: Convert to fraction form
    773,349.28/1,159,655.76 = 317,869.36/x
  3. Step 3: Cross multiply
    773,349.28x = 1,159,655.76 × 317,869.36
  4. Step 4: Simplify right side
    773,349.28x = 368,619,034,251.51
  5. Step 5: Solve for x
    x = 368,619,034,251.51/773,349.28
  6. Step 6: Final answer
    x = 476,652.72

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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.