Home / 972,078.40-1,459,867.20-706,139.20

Finding the Fourth Proportional to 972,078.40, 1,459,867.20 and 706,139.20

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Solution

The fourth proportional to 972,078.40, 1,459,867.20 and 706,139.20 is: 1,060,479.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,078.40 : 1,459,867.20 = 706,139.20 : x
  2. Step 2: Convert to fraction form
    972,078.40/1,459,867.20 = 706,139.20/x
  3. Step 3: Cross multiply
    972,078.40x = 1,459,867.20 × 706,139.20
  4. Step 4: Simplify right side
    972,078.40x = 1,030,869,456,714.24
  5. Step 5: Solve for x
    x = 1,030,869,456,714.24/972,078.40
  6. Step 6: Final answer
    x = 1,060,479.75

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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.