Home / 1,047,859.20-1,570,867.20-627,302.40

Finding the Fourth Proportional to 1,047,859.20, 1,570,867.20 and 627,302.40

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Solution

The fourth proportional to 1,047,859.20, 1,570,867.20 and 627,302.40 is: 940,401.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,859.20 : 1,570,867.20 = 627,302.40 : x
  2. Step 2: Convert to fraction form
    1,047,859.20/1,570,867.20 = 627,302.40/x
  3. Step 3: Cross multiply
    1,047,859.20x = 1,570,867.20 × 627,302.40
  4. Step 4: Simplify right side
    1,047,859.20x = 985,408,764,641.28
  5. Step 5: Solve for x
    x = 985,408,764,641.28/1,047,859.20
  6. Step 6: Final answer
    x = 940,401.88

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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.