Home / 1,132,392.85-1,562,194.21-764,750.55

Finding the Fourth Proportional to 1,132,392.85, 1,562,194.21 and 764,750.55

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Solution

The fourth proportional to 1,132,392.85, 1,562,194.21 and 764,750.55 is: 1,055,012.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,392.85 : 1,562,194.21 = 764,750.55 : x
  2. Step 2: Convert to fraction form
    1,132,392.85/1,562,194.21 = 764,750.55/x
  3. Step 3: Cross multiply
    1,132,392.85x = 1,562,194.21 × 764,750.55
  4. Step 4: Simplify right side
    1,132,392.85x = 1,194,688,881,304.32
  5. Step 5: Solve for x
    x = 1,194,688,881,304.32/1,132,392.85
  6. Step 6: Final answer
    x = 1,055,012.74

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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.