Home / 838,993.53-1,157,773.68-490,166.30

Finding the Fourth Proportional to 838,993.53, 1,157,773.68 and 490,166.30

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Solution

The fourth proportional to 838,993.53, 1,157,773.68 and 490,166.30 is: 676,407.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,993.53 : 1,157,773.68 = 490,166.30 : x
  2. Step 2: Convert to fraction form
    838,993.53/1,157,773.68 = 490,166.30/x
  3. Step 3: Cross multiply
    838,993.53x = 1,157,773.68 × 490,166.30
  4. Step 4: Simplify right side
    838,993.53x = 567,501,635,174.12
  5. Step 5: Solve for x
    x = 567,501,635,174.12/838,993.53
  6. Step 6: Final answer
    x = 676,407.64

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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.