Home / 738,334.10-1,107,501.15-731,335.70

Finding the Fourth Proportional to 738,334.10, 1,107,501.15 and 731,335.70

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Solution

The fourth proportional to 738,334.10, 1,107,501.15 and 731,335.70 is: 1,097,003.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,334.10 : 1,107,501.15 = 731,335.70 : x
  2. Step 2: Convert to fraction form
    738,334.10/1,107,501.15 = 731,335.70/x
  3. Step 3: Cross multiply
    738,334.10x = 1,107,501.15 × 731,335.70
  4. Step 4: Simplify right side
    738,334.10x = 809,955,128,786.06
  5. Step 5: Solve for x
    x = 809,955,128,786.06/738,334.10
  6. Step 6: Final answer
    x = 1,097,003.55

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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.