Home / 641,197.68-884,919.24-369,275.28

Finding the Fourth Proportional to 641,197.68, 884,919.24 and 369,275.28

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Solution

The fourth proportional to 641,197.68, 884,919.24 and 369,275.28 is: 509,638.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,197.68 : 884,919.24 = 369,275.28 : x
  2. Step 2: Convert to fraction form
    641,197.68/884,919.24 = 369,275.28/x
  3. Step 3: Cross multiply
    641,197.68x = 884,919.24 × 369,275.28
  4. Step 4: Simplify right side
    641,197.68x = 326,778,800,128.39
  5. Step 5: Solve for x
    x = 326,778,800,128.39/641,197.68
  6. Step 6: Final answer
    x = 509,638.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.