Home / 1,533,500.10-2,116,143.78-845,169.78

Finding the Fourth Proportional to 1,533,500.10, 2,116,143.78 and 845,169.78

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Solution

The fourth proportional to 1,533,500.10, 2,116,143.78 and 845,169.78 is: 1,166,286.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,500.10 : 2,116,143.78 = 845,169.78 : x
  2. Step 2: Convert to fraction form
    1,533,500.10/2,116,143.78 = 845,169.78/x
  3. Step 3: Cross multiply
    1,533,500.10x = 2,116,143.78 × 845,169.78
  4. Step 4: Simplify right side
    1,533,500.10x = 1,788,500,772,990.97
  5. Step 5: Solve for x
    x = 1,788,500,772,990.97/1,533,500.10
  6. Step 6: Final answer
    x = 1,166,286.70

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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.