Home / 996,872.90-1,495,309.35-618,959.30

Finding the Fourth Proportional to 996,872.90, 1,495,309.35 and 618,959.30

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Solution

The fourth proportional to 996,872.90, 1,495,309.35 and 618,959.30 is: 928,438.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,872.90 : 1,495,309.35 = 618,959.30 : x
  2. Step 2: Convert to fraction form
    996,872.90/1,495,309.35 = 618,959.30/x
  3. Step 3: Cross multiply
    996,872.90x = 1,495,309.35 × 618,959.30
  4. Step 4: Simplify right side
    996,872.90x = 925,535,628,559.46
  5. Step 5: Solve for x
    x = 925,535,628,559.46/996,872.90
  6. Step 6: Final answer
    x = 928,438.95

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Double scale
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Similar ratio
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1.5x scale

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.