Home / 1,038,104.40-1,555,479.90-587,485.20

Finding the Fourth Proportional to 1,038,104.40, 1,555,479.90 and 587,485.20

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Solution

The fourth proportional to 1,038,104.40, 1,555,479.90 and 587,485.20 is: 880,278.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,104.40 : 1,555,479.90 = 587,485.20 : x
  2. Step 2: Convert to fraction form
    1,038,104.40/1,555,479.90 = 587,485.20/x
  3. Step 3: Cross multiply
    1,038,104.40x = 1,555,479.90 × 587,485.20
  4. Step 4: Simplify right side
    1,038,104.40x = 913,821,420,147.48
  5. Step 5: Solve for x
    x = 913,821,420,147.48/1,038,104.40
  6. Step 6: Final answer
    x = 880,278.92

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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.