Home / 995,831.28-1,374,240.78-566,111.40

Finding the Fourth Proportional to 995,831.28, 1,374,240.78 and 566,111.40

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Solution

The fourth proportional to 995,831.28, 1,374,240.78 and 566,111.40 is: 781,230.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,831.28 : 1,374,240.78 = 566,111.40 : x
  2. Step 2: Convert to fraction form
    995,831.28/1,374,240.78 = 566,111.40/x
  3. Step 3: Cross multiply
    995,831.28x = 1,374,240.78 × 566,111.40
  4. Step 4: Simplify right side
    995,831.28x = 777,973,371,902.89
  5. Step 5: Solve for x
    x = 777,973,371,902.89/995,831.28
  6. Step 6: Final answer
    x = 781,230.10

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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.