Home / 1,117,514.76-1,542,170.36-608,220.78

Finding the Fourth Proportional to 1,117,514.76, 1,542,170.36 and 608,220.78

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Solution

The fourth proportional to 1,117,514.76, 1,542,170.36 and 608,220.78 is: 839,344.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,514.76 : 1,542,170.36 = 608,220.78 : x
  2. Step 2: Convert to fraction form
    1,117,514.76/1,542,170.36 = 608,220.78/x
  3. Step 3: Cross multiply
    1,117,514.76x = 1,542,170.36 × 608,220.78
  4. Step 4: Simplify right side
    1,117,514.76x = 937,980,059,252.08
  5. Step 5: Solve for x
    x = 937,980,059,252.08/1,117,514.76
  6. Step 6: Final answer
    x = 839,344.67

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Double scale
Find fourth proportional to 1,117,515.76, 1,542,171.74 and 608,221.78
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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.