Home / 996,909.40-1,495,582.80-491,712.40

Finding the Fourth Proportional to 996,909.40, 1,495,582.80 and 491,712.40

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Solution

The fourth proportional to 996,909.40, 1,495,582.80 and 491,712.40 is: 737,676.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,909.40 : 1,495,582.80 = 491,712.40 : x
  2. Step 2: Convert to fraction form
    996,909.40/1,495,582.80 = 491,712.40/x
  3. Step 3: Cross multiply
    996,909.40x = 1,495,582.80 × 491,712.40
  4. Step 4: Simplify right side
    996,909.40x = 735,396,607,986.72
  5. Step 5: Solve for x
    x = 735,396,607,986.72/996,909.40
  6. Step 6: Final answer
    x = 737,676.47

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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.