Home / 1,532,357.40-2,113,639.92-958,401.12

Finding the Fourth Proportional to 1,532,357.40, 2,113,639.92 and 958,401.12

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Solution

The fourth proportional to 1,532,357.40, 2,113,639.92 and 958,401.12 is: 1,321,959.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,357.40 : 2,113,639.92 = 958,401.12 : x
  2. Step 2: Convert to fraction form
    1,532,357.40/2,113,639.92 = 958,401.12/x
  3. Step 3: Cross multiply
    1,532,357.40x = 2,113,639.92 × 958,401.12
  4. Step 4: Simplify right side
    1,532,357.40x = 2,025,714,866,604.71
  5. Step 5: Solve for x
    x = 2,025,714,866,604.71/1,532,357.40
  6. Step 6: Final answer
    x = 1,321,959.79

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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.