Home / 842,519.12-1,162,328.28-588,019.28

Finding the Fourth Proportional to 842,519.12, 1,162,328.28 and 588,019.28

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Solution

The fourth proportional to 842,519.12, 1,162,328.28 and 588,019.28 is: 811,223.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,519.12 : 1,162,328.28 = 588,019.28 : x
  2. Step 2: Convert to fraction form
    842,519.12/1,162,328.28 = 588,019.28/x
  3. Step 3: Cross multiply
    842,519.12x = 1,162,328.28 × 588,019.28
  4. Step 4: Simplify right side
    842,519.12x = 683,471,438,329.24
  5. Step 5: Solve for x
    x = 683,471,438,329.24/842,519.12
  6. Step 6: Final answer
    x = 811,223.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.