Home / 887,214.30-1,330,605.45-256,062.30

Finding the Fourth Proportional to 887,214.30, 1,330,605.45 and 256,062.30

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Solution

The fourth proportional to 887,214.30, 1,330,605.45 and 256,062.30 is: 384,031.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,214.30 : 1,330,605.45 = 256,062.30 : x
  2. Step 2: Convert to fraction form
    887,214.30/1,330,605.45 = 256,062.30/x
  3. Step 3: Cross multiply
    887,214.30x = 1,330,605.45 × 256,062.30
  4. Step 4: Simplify right side
    887,214.30x = 340,717,891,919.54
  5. Step 5: Solve for x
    x = 340,717,891,919.54/887,214.30
  6. Step 6: Final answer
    x = 384,031.11

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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.