Home / 1,719,078.40-2,371,593.36-1,074,059.20

Finding the Fourth Proportional to 1,719,078.40, 2,371,593.36 and 1,074,059.20

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Solution

The fourth proportional to 1,719,078.40, 2,371,593.36 and 1,074,059.20 is: 1,481,742.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,078.40 : 2,371,593.36 = 1,074,059.20 : x
  2. Step 2: Convert to fraction form
    1,719,078.40/2,371,593.36 = 1,074,059.20/x
  3. Step 3: Cross multiply
    1,719,078.40x = 2,371,593.36 × 1,074,059.20
  4. Step 4: Simplify right side
    1,719,078.40x = 2,547,231,666,966.91
  5. Step 5: Solve for x
    x = 2,547,231,666,966.91/1,719,078.40
  6. Step 6: Final answer
    x = 1,481,742.58

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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.