Home / 940,973.76-1,298,545.20-511,253.73

Finding the Fourth Proportional to 940,973.76, 1,298,545.20 and 511,253.73

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Solution

The fourth proportional to 940,973.76, 1,298,545.20 and 511,253.73 is: 705,530.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,973.76 : 1,298,545.20 = 511,253.73 : x
  2. Step 2: Convert to fraction form
    940,973.76/1,298,545.20 = 511,253.73/x
  3. Step 3: Cross multiply
    940,973.76x = 1,298,545.20 × 511,253.73
  4. Step 4: Simplify right side
    940,973.76x = 663,886,077,073.60
  5. Step 5: Solve for x
    x = 663,886,077,073.60/940,973.76
  6. Step 6: Final answer
    x = 705,530.91

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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.