Home / 676,718.64-1,015,569.63-545,187.60

Finding the Fourth Proportional to 676,718.64, 1,015,569.63 and 545,187.60

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Solution

The fourth proportional to 676,718.64, 1,015,569.63 and 545,187.60 is: 818,177.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,718.64 : 1,015,569.63 = 545,187.60 : x
  2. Step 2: Convert to fraction form
    676,718.64/1,015,569.63 = 545,187.60/x
  3. Step 3: Cross multiply
    676,718.64x = 1,015,569.63 × 545,187.60
  4. Step 4: Simplify right side
    676,718.64x = 553,675,969,212.59
  5. Step 5: Solve for x
    x = 553,675,969,212.59/676,718.64
  6. Step 6: Final answer
    x = 818,177.51

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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.