Home / 981,820.17-1,473,156.72-532,858.23

Finding the Fourth Proportional to 981,820.17, 1,473,156.72 and 532,858.23

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Solution

The fourth proportional to 981,820.17, 1,473,156.72 and 532,858.23 is: 799,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,820.17 : 1,473,156.72 = 532,858.23 : x
  2. Step 2: Convert to fraction form
    981,820.17/1,473,156.72 = 532,858.23/x
  3. Step 3: Cross multiply
    981,820.17x = 1,473,156.72 × 532,858.23
  4. Step 4: Simplify right side
    981,820.17x = 784,983,682,331.81
  5. Step 5: Solve for x
    x = 784,983,682,331.81/981,820.17
  6. Step 6: Final answer
    x = 799,518.80

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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.