Home / 917,780.24-1,266,026.28-852,831.92

Finding the Fourth Proportional to 917,780.24, 1,266,026.28 and 852,831.92

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Solution

The fourth proportional to 917,780.24, 1,266,026.28 and 852,831.92 is: 1,176,433.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,780.24 : 1,266,026.28 = 852,831.92 : x
  2. Step 2: Convert to fraction form
    917,780.24/1,266,026.28 = 852,831.92/x
  3. Step 3: Cross multiply
    917,780.24x = 1,266,026.28 × 852,831.92
  4. Step 4: Simplify right side
    917,780.24x = 1,079,707,623,142.86
  5. Step 5: Solve for x
    x = 1,079,707,623,142.86/917,780.24
  6. Step 6: Final answer
    x = 1,176,433.72

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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.