Home / 1,207,113.92-1,665,831.84-663,277.76

Finding the Fourth Proportional to 1,207,113.92, 1,665,831.84 and 663,277.76

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Solution

The fourth proportional to 1,207,113.92, 1,665,831.84 and 663,277.76 is: 915,331.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,113.92 : 1,665,831.84 = 663,277.76 : x
  2. Step 2: Convert to fraction form
    1,207,113.92/1,665,831.84 = 663,277.76/x
  3. Step 3: Cross multiply
    1,207,113.92x = 1,665,831.84 × 663,277.76
  4. Step 4: Simplify right side
    1,207,113.92x = 1,104,909,211,371.88
  5. Step 5: Solve for x
    x = 1,104,909,211,371.88/1,207,113.92
  6. Step 6: Final answer
    x = 915,331.35

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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.