Home / 969,943.40-1,338,521.01-562,281.28

Finding the Fourth Proportional to 969,943.40, 1,338,521.01 and 562,281.28

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Solution

The fourth proportional to 969,943.40, 1,338,521.01 and 562,281.28 is: 775,947.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,943.40 : 1,338,521.01 = 562,281.28 : x
  2. Step 2: Convert to fraction form
    969,943.40/1,338,521.01 = 562,281.28/x
  3. Step 3: Cross multiply
    969,943.40x = 1,338,521.01 × 562,281.28
  4. Step 4: Simplify right side
    969,943.40x = 752,625,306,809.69
  5. Step 5: Solve for x
    x = 752,625,306,809.69/969,943.40
  6. Step 6: Final answer
    x = 775,947.66

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Double scale
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Similar ratio
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1.5x scale

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.