Home / 1,107,206.20-1,660,809.30-547,334.20

Finding the Fourth Proportional to 1,107,206.20, 1,660,809.30 and 547,334.20

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Solution

The fourth proportional to 1,107,206.20, 1,660,809.30 and 547,334.20 is: 821,001.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,206.20 : 1,660,809.30 = 547,334.20 : x
  2. Step 2: Convert to fraction form
    1,107,206.20/1,660,809.30 = 547,334.20/x
  3. Step 3: Cross multiply
    1,107,206.20x = 1,660,809.30 × 547,334.20
  4. Step 4: Simplify right side
    1,107,206.20x = 909,017,729,568.06
  5. Step 5: Solve for x
    x = 909,017,729,568.06/1,107,206.20
  6. Step 6: Final answer
    x = 821,001.30

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Half scale
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.