Home / 1,251,581.43-1,726,301.07-1,209,916.32

Finding the Fourth Proportional to 1,251,581.43, 1,726,301.07 and 1,209,916.32

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Solution

The fourth proportional to 1,251,581.43, 1,726,301.07 and 1,209,916.32 is: 1,668,832.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,581.43 : 1,726,301.07 = 1,209,916.32 : x
  2. Step 2: Convert to fraction form
    1,251,581.43/1,726,301.07 = 1,209,916.32/x
  3. Step 3: Cross multiply
    1,251,581.43x = 1,726,301.07 × 1,209,916.32
  4. Step 4: Simplify right side
    1,251,581.43x = 2,088,679,837,826.46
  5. Step 5: Solve for x
    x = 2,088,679,837,826.46/1,251,581.43
  6. Step 6: Final answer
    x = 1,668,832.56

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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.