Home / 1,262,298.49-1,740,789.47-1,005,024.71

Finding the Fourth Proportional to 1,262,298.49, 1,740,789.47 and 1,005,024.71

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Solution

The fourth proportional to 1,262,298.49, 1,740,789.47 and 1,005,024.71 is: 1,385,992.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,298.49 : 1,740,789.47 = 1,005,024.71 : x
  2. Step 2: Convert to fraction form
    1,262,298.49/1,740,789.47 = 1,005,024.71/x
  3. Step 3: Cross multiply
    1,262,298.49x = 1,740,789.47 × 1,005,024.71
  4. Step 4: Simplify right side
    1,262,298.49x = 1,749,536,432,257.80
  5. Step 5: Solve for x
    x = 1,749,536,432,257.80/1,262,298.49
  6. Step 6: Final answer
    x = 1,385,992.65

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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.