Home / 893,139.60-1,339,320.60-293,869.20

Finding the Fourth Proportional to 893,139.60, 1,339,320.60 and 293,869.20

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Solution

The fourth proportional to 893,139.60, 1,339,320.60 and 293,869.20 is: 440,675.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,139.60 : 1,339,320.60 = 293,869.20 : x
  2. Step 2: Convert to fraction form
    893,139.60/1,339,320.60 = 293,869.20/x
  3. Step 3: Cross multiply
    893,139.60x = 1,339,320.60 × 293,869.20
  4. Step 4: Simplify right side
    893,139.60x = 393,585,073,265.52
  5. Step 5: Solve for x
    x = 393,585,073,265.52/893,139.60
  6. Step 6: Final answer
    x = 440,675.87

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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.