Home / 1,259,479.92-1,889,228.38-460,432.74

Finding the Fourth Proportional to 1,259,479.92, 1,889,228.38 and 460,432.74

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Solution

The fourth proportional to 1,259,479.92, 1,889,228.38 and 460,432.74 is: 690,652.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,479.92 : 1,889,228.38 = 460,432.74 : x
  2. Step 2: Convert to fraction form
    1,259,479.92/1,889,228.38 = 460,432.74/x
  3. Step 3: Cross multiply
    1,259,479.92x = 1,889,228.38 × 460,432.74
  4. Step 4: Simplify right side
    1,259,479.92x = 869,862,599,489.16
  5. Step 5: Solve for x
    x = 869,862,599,489.16/1,259,479.92
  6. Step 6: Final answer
    x = 690,652.22

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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.