Home / 928,070.10-1,389,772.35-741,446.10

Finding the Fourth Proportional to 928,070.10, 1,389,772.35 and 741,446.10

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Solution

The fourth proportional to 928,070.10, 1,389,772.35 and 741,446.10 is: 1,110,305.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,070.10 : 1,389,772.35 = 741,446.10 : x
  2. Step 2: Convert to fraction form
    928,070.10/1,389,772.35 = 741,446.10/x
  3. Step 3: Cross multiply
    928,070.10x = 1,389,772.35 × 741,446.10
  4. Step 4: Simplify right side
    928,070.10x = 1,030,441,288,795.34
  5. Step 5: Solve for x
    x = 1,030,441,288,795.34/928,070.10
  6. Step 6: Final answer
    x = 1,110,305.45

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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.