Home / 1,582,209.60-2,183,459.73-857,057.32

Finding the Fourth Proportional to 1,582,209.60, 2,183,459.73 and 857,057.32

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Solution

The fourth proportional to 1,582,209.60, 2,183,459.73 and 857,057.32 is: 1,182,744.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582,209.60 : 2,183,459.73 = 857,057.32 : x
  2. Step 2: Convert to fraction form
    1,582,209.60/2,183,459.73 = 857,057.32/x
  3. Step 3: Cross multiply
    1,582,209.60x = 2,183,459.73 × 857,057.32
  4. Step 4: Simplify right side
    1,582,209.60x = 1,871,350,144,521.72
  5. Step 5: Solve for x
    x = 1,871,350,144,521.72/1,582,209.60
  6. Step 6: Final answer
    x = 1,182,744.78

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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.