Home / 611,831.19-917,764.88-292,016.76

Finding the Fourth Proportional to 611,831.19, 917,764.88 and 292,016.76

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Solution

The fourth proportional to 611,831.19, 917,764.88 and 292,016.76 is: 438,033.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,831.19 : 917,764.88 = 292,016.76 : x
  2. Step 2: Convert to fraction form
    611,831.19/917,764.88 = 292,016.76/x
  3. Step 3: Cross multiply
    611,831.19x = 917,764.88 × 292,016.76
  4. Step 4: Simplify right side
    611,831.19x = 268,002,726,699.39
  5. Step 5: Solve for x
    x = 268,002,726,699.39/611,831.19
  6. Step 6: Final answer
    x = 438,033.78

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1.5x scale

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.