Home / 1,053,658.78-1,453,062.09-699,412.93

Finding the Fourth Proportional to 1,053,658.78, 1,453,062.09 and 699,412.93

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Solution

The fourth proportional to 1,053,658.78, 1,453,062.09 and 699,412.93 is: 964,534.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,658.78 : 1,453,062.09 = 699,412.93 : x
  2. Step 2: Convert to fraction form
    1,053,658.78/1,453,062.09 = 699,412.93/x
  3. Step 3: Cross multiply
    1,053,658.78x = 1,453,062.09 × 699,412.93
  4. Step 4: Simplify right side
    1,053,658.78x = 1,016,290,413,838.82
  5. Step 5: Solve for x
    x = 1,016,290,413,838.82/1,053,658.78
  6. Step 6: Final answer
    x = 964,534.66

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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.