Home / 996,959.10-1,495,438.65-398,012.70

Finding the Fourth Proportional to 996,959.10, 1,495,438.65 and 398,012.70

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Solution

The fourth proportional to 996,959.10, 1,495,438.65 and 398,012.70 is: 597,019.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,959.10 : 1,495,438.65 = 398,012.70 : x
  2. Step 2: Convert to fraction form
    996,959.10/1,495,438.65 = 398,012.70/x
  3. Step 3: Cross multiply
    996,959.10x = 1,495,438.65 × 398,012.70
  4. Step 4: Simplify right side
    996,959.10x = 595,203,574,770.86
  5. Step 5: Solve for x
    x = 595,203,574,770.86/996,959.10
  6. Step 6: Final answer
    x = 597,019.05

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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.