Home / 1,040,140.90-1,557,100.95-619,200.10

Finding the Fourth Proportional to 1,040,140.90, 1,557,100.95 and 619,200.10

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Solution

The fourth proportional to 1,040,140.90, 1,557,100.95 and 619,200.10 is: 926,948.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,140.90 : 1,557,100.95 = 619,200.10 : x
  2. Step 2: Convert to fraction form
    1,040,140.90/1,557,100.95 = 619,200.10/x
  3. Step 3: Cross multiply
    1,040,140.90x = 1,557,100.95 × 619,200.10
  4. Step 4: Simplify right side
    1,040,140.90x = 964,157,063,950.10
  5. Step 5: Solve for x
    x = 964,157,063,950.10/1,040,140.90
  6. Step 6: Final answer
    x = 926,948.52

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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.