Home / 1,283,913.74-1,771,799.85-710,953.89

Finding the Fourth Proportional to 1,283,913.74, 1,771,799.85 and 710,953.89

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Solution

The fourth proportional to 1,283,913.74, 1,771,799.85 and 710,953.89 is: 981,115.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,913.74 : 1,771,799.85 = 710,953.89 : x
  2. Step 2: Convert to fraction form
    1,283,913.74/1,771,799.85 = 710,953.89/x
  3. Step 3: Cross multiply
    1,283,913.74x = 1,771,799.85 × 710,953.89
  4. Step 4: Simplify right side
    1,283,913.74x = 1,259,667,995,658.92
  5. Step 5: Solve for x
    x = 1,259,667,995,658.92/1,283,913.74
  6. Step 6: Final answer
    x = 981,115.75

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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.