Home / 1,069,552.38-1,475,841.96-639,675.66

Finding the Fourth Proportional to 1,069,552.38, 1,475,841.96 and 639,675.66

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Solution

The fourth proportional to 1,069,552.38, 1,475,841.96 and 639,675.66 is: 882,668.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,552.38 : 1,475,841.96 = 639,675.66 : x
  2. Step 2: Convert to fraction form
    1,069,552.38/1,475,841.96 = 639,675.66/x
  3. Step 3: Cross multiply
    1,069,552.38x = 1,475,841.96 × 639,675.66
  4. Step 4: Simplify right side
    1,069,552.38x = 944,060,179,818.69
  5. Step 5: Solve for x
    x = 944,060,179,818.69/1,069,552.38
  6. Step 6: Final answer
    x = 882,668.49

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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.