Home / 1,015,385.16-1,401,183.45-607,711.62

Finding the Fourth Proportional to 1,015,385.16, 1,401,183.45 and 607,711.62

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Solution

The fourth proportional to 1,015,385.16, 1,401,183.45 and 607,711.62 is: 838,613.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,385.16 : 1,401,183.45 = 607,711.62 : x
  2. Step 2: Convert to fraction form
    1,015,385.16/1,401,183.45 = 607,711.62/x
  3. Step 3: Cross multiply
    1,015,385.16x = 1,401,183.45 × 607,711.62
  4. Step 4: Simplify right side
    1,015,385.16x = 851,515,464,316.69
  5. Step 5: Solve for x
    x = 851,515,464,316.69/1,015,385.16
  6. Step 6: Final answer
    x = 838,613.27

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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.