Home / 986,917.52-1,480,154.84-453,926.48

Finding the Fourth Proportional to 986,917.52, 1,480,154.84 and 453,926.48

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Solution

The fourth proportional to 986,917.52, 1,480,154.84 and 453,926.48 is: 680,787.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,917.52 : 1,480,154.84 = 453,926.48 : x
  2. Step 2: Convert to fraction form
    986,917.52/1,480,154.84 = 453,926.48/x
  3. Step 3: Cross multiply
    986,917.52x = 1,480,154.84 × 453,926.48
  4. Step 4: Simplify right side
    986,917.52x = 671,881,476,376.16
  5. Step 5: Solve for x
    x = 671,881,476,376.16/986,917.52
  6. Step 6: Final answer
    x = 680,787.87

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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.