Home / 981,924.48-1,471,680.64-508,339.84

Finding the Fourth Proportional to 981,924.48, 1,471,680.64 and 508,339.84

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Solution

The fourth proportional to 981,924.48, 1,471,680.64 and 508,339.84 is: 761,885.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,924.48 : 1,471,680.64 = 508,339.84 : x
  2. Step 2: Convert to fraction form
    981,924.48/1,471,680.64 = 508,339.84/x
  3. Step 3: Cross multiply
    981,924.48x = 1,471,680.64 × 508,339.84
  4. Step 4: Simplify right side
    981,924.48x = 748,113,901,068.70
  5. Step 5: Solve for x
    x = 748,113,901,068.70/981,924.48
  6. Step 6: Final answer
    x = 761,885.38

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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.