Home / 1,511,443.54-2,085,666.02-891,150.20

Finding the Fourth Proportional to 1,511,443.54, 2,085,666.02 and 891,150.20

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Solution

The fourth proportional to 1,511,443.54, 2,085,666.02 and 891,150.20 is: 1,229,712.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,443.54 : 2,085,666.02 = 891,150.20 : x
  2. Step 2: Convert to fraction form
    1,511,443.54/2,085,666.02 = 891,150.20/x
  3. Step 3: Cross multiply
    1,511,443.54x = 2,085,666.02 × 891,150.20
  4. Step 4: Simplify right side
    1,511,443.54x = 1,858,641,690,856.20
  5. Step 5: Solve for x
    x = 1,858,641,690,856.20/1,511,443.54
  6. Step 6: Final answer
    x = 1,229,712.95

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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.