Home / 1,778,331.81-2,667,616.47-625,440.03

Finding the Fourth Proportional to 1,778,331.81, 2,667,616.47 and 625,440.03

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Solution

The fourth proportional to 1,778,331.81, 2,667,616.47 and 625,440.03 is: 938,201.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,331.81 : 2,667,616.47 = 625,440.03 : x
  2. Step 2: Convert to fraction form
    1,778,331.81/2,667,616.47 = 625,440.03/x
  3. Step 3: Cross multiply
    1,778,331.81x = 2,667,616.47 × 625,440.03
  4. Step 4: Simplify right side
    1,778,331.81x = 1,668,434,125,025.29
  5. Step 5: Solve for x
    x = 1,668,434,125,025.29/1,778,331.81
  6. Step 6: Final answer
    x = 938,201.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.