Home / 1,113,509.28-1,536,143.76-750,815.04

Finding the Fourth Proportional to 1,113,509.28, 1,536,143.76 and 750,815.04

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Solution

The fourth proportional to 1,113,509.28, 1,536,143.76 and 750,815.04 is: 1,035,788.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,509.28 : 1,536,143.76 = 750,815.04 : x
  2. Step 2: Convert to fraction form
    1,113,509.28/1,536,143.76 = 750,815.04/x
  3. Step 3: Cross multiply
    1,113,509.28x = 1,536,143.76 × 750,815.04
  4. Step 4: Simplify right side
    1,113,509.28x = 1,153,359,838,610.15
  5. Step 5: Solve for x
    x = 1,153,359,838,610.15/1,113,509.28
  6. Step 6: Final answer
    x = 1,035,788.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.