Home / 1,334,155.47-1,841,135.12-722,308.20

Finding the Fourth Proportional to 1,334,155.47, 1,841,135.12 and 722,308.20

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Solution

The fourth proportional to 1,334,155.47, 1,841,135.12 and 722,308.20 is: 996,785.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,155.47 : 1,841,135.12 = 722,308.20 : x
  2. Step 2: Convert to fraction form
    1,334,155.47/1,841,135.12 = 722,308.20/x
  3. Step 3: Cross multiply
    1,334,155.47x = 1,841,135.12 × 722,308.20
  4. Step 4: Simplify right side
    1,334,155.47x = 1,329,866,990,872.44
  5. Step 5: Solve for x
    x = 1,329,866,990,872.44/1,334,155.47
  6. Step 6: Final answer
    x = 996,785.62

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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.