Home / 1,117,326.68-1,541,785.20-658,411.46

Finding the Fourth Proportional to 1,117,326.68, 1,541,785.20 and 658,411.46

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Solution

The fourth proportional to 1,117,326.68, 1,541,785.20 and 658,411.46 is: 908,533.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,326.68 : 1,541,785.20 = 658,411.46 : x
  2. Step 2: Convert to fraction form
    1,117,326.68/1,541,785.20 = 658,411.46/x
  3. Step 3: Cross multiply
    1,117,326.68x = 1,541,785.20 × 658,411.46
  4. Step 4: Simplify right side
    1,117,326.68x = 1,015,129,044,538.39
  5. Step 5: Solve for x
    x = 1,015,129,044,538.39/1,117,326.68
  6. Step 6: Final answer
    x = 908,533.79

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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.