Home / 1,613,405.35-2,226,414.86-888,111.40

Finding the Fourth Proportional to 1,613,405.35, 2,226,414.86 and 888,111.40

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Solution

The fourth proportional to 1,613,405.35, 2,226,414.86 and 888,111.40 is: 1,225,547.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,405.35 : 2,226,414.86 = 888,111.40 : x
  2. Step 2: Convert to fraction form
    1,613,405.35/2,226,414.86 = 888,111.40/x
  3. Step 3: Cross multiply
    1,613,405.35x = 2,226,414.86 × 888,111.40
  4. Step 4: Simplify right side
    1,613,405.35x = 1,977,304,418,295.40
  5. Step 5: Solve for x
    x = 1,977,304,418,295.40/1,613,405.35
  6. Step 6: Final answer
    x = 1,225,547.21

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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.