Home / 811,295.28-1,119,580.20-448,734.24

Finding the Fourth Proportional to 811,295.28, 1,119,580.20 and 448,734.24

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Solution

The fourth proportional to 811,295.28, 1,119,580.20 and 448,734.24 is: 619,249.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,295.28 : 1,119,580.20 = 448,734.24 : x
  2. Step 2: Convert to fraction form
    811,295.28/1,119,580.20 = 448,734.24/x
  3. Step 3: Cross multiply
    811,295.28x = 1,119,580.20 × 448,734.24
  4. Step 4: Simplify right side
    811,295.28x = 502,393,970,166.05
  5. Step 5: Solve for x
    x = 502,393,970,166.05/811,295.28
  6. Step 6: Final answer
    x = 619,249.22

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Double scale
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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.