Home / 969,990.47-1,338,587.27-562,328.65

Finding the Fourth Proportional to 969,990.47, 1,338,587.27 and 562,328.65

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Solution

The fourth proportional to 969,990.47, 1,338,587.27 and 562,328.65 is: 776,013.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,990.47 : 1,338,587.27 = 562,328.65 : x
  2. Step 2: Convert to fraction form
    969,990.47/1,338,587.27 = 562,328.65/x
  3. Step 3: Cross multiply
    969,990.47x = 1,338,587.27 × 562,328.65
  4. Step 4: Simplify right side
    969,990.47x = 752,725,972,446.29
  5. Step 5: Solve for x
    x = 752,725,972,446.29/969,990.47
  6. Step 6: Final answer
    x = 776,013.78

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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.