Home / 744,343.20-1,116,514.80-709,351.20

Finding the Fourth Proportional to 744,343.20, 1,116,514.80 and 709,351.20

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Solution

The fourth proportional to 744,343.20, 1,116,514.80 and 709,351.20 is: 1,064,026.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,343.20 : 1,116,514.80 = 709,351.20 : x
  2. Step 2: Convert to fraction form
    744,343.20/1,116,514.80 = 709,351.20/x
  3. Step 3: Cross multiply
    744,343.20x = 1,116,514.80 × 709,351.20
  4. Step 4: Simplify right side
    744,343.20x = 792,001,113,197.76
  5. Step 5: Solve for x
    x = 792,001,113,197.76/744,343.20
  6. Step 6: Final answer
    x = 1,064,026.80

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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.