Home / 1,522,511.64-2,101,135.55-869,314.38

Finding the Fourth Proportional to 1,522,511.64, 2,101,135.55 and 869,314.38

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Solution

The fourth proportional to 1,522,511.64, 2,101,135.55 and 869,314.38 is: 1,199,693.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,511.64 : 2,101,135.55 = 869,314.38 : x
  2. Step 2: Convert to fraction form
    1,522,511.64/2,101,135.55 = 869,314.38/x
  3. Step 3: Cross multiply
    1,522,511.64x = 2,101,135.55 × 869,314.38
  4. Step 4: Simplify right side
    1,522,511.64x = 1,826,547,335,718.38
  5. Step 5: Solve for x
    x = 1,826,547,335,718.38/1,522,511.64
  6. Step 6: Final answer
    x = 1,199,693.51

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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.