Home / 996,821.40-1,495,086.30-286,775.40

Finding the Fourth Proportional to 996,821.40, 1,495,086.30 and 286,775.40

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Solution

The fourth proportional to 996,821.40, 1,495,086.30 and 286,775.40 is: 430,121.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,821.40 : 1,495,086.30 = 286,775.40 : x
  2. Step 2: Convert to fraction form
    996,821.40/1,495,086.30 = 286,775.40/x
  3. Step 3: Cross multiply
    996,821.40x = 1,495,086.30 × 286,775.40
  4. Step 4: Simplify right side
    996,821.40x = 428,753,971,717.02
  5. Step 5: Solve for x
    x = 428,753,971,717.02/996,821.40
  6. Step 6: Final answer
    x = 430,121.15

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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.