Home / 1,416,411.52-1,954,650.39-771,831.71

Finding the Fourth Proportional to 1,416,411.52, 1,954,650.39 and 771,831.71

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Solution

The fourth proportional to 1,416,411.52, 1,954,650.39 and 771,831.71 is: 1,065,129.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,411.52 : 1,954,650.39 = 771,831.71 : x
  2. Step 2: Convert to fraction form
    1,416,411.52/1,954,650.39 = 771,831.71/x
  3. Step 3: Cross multiply
    1,416,411.52x = 1,954,650.39 × 771,831.71
  4. Step 4: Simplify right side
    1,416,411.52x = 1,508,661,153,125.64
  5. Step 5: Solve for x
    x = 1,508,661,153,125.64/1,416,411.52
  6. Step 6: Final answer
    x = 1,065,129.12

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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.