Home / 589,933.85-814,077.32-348,128.19

Finding the Fourth Proportional to 589,933.85, 814,077.32 and 348,128.19

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Solution

The fourth proportional to 589,933.85, 814,077.32 and 348,128.19 is: 480,398.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,933.85 : 814,077.32 = 348,128.19 : x
  2. Step 2: Convert to fraction form
    589,933.85/814,077.32 = 348,128.19/x
  3. Step 3: Cross multiply
    589,933.85x = 814,077.32 × 348,128.19
  4. Step 4: Simplify right side
    589,933.85x = 283,403,262,191.01
  5. Step 5: Solve for x
    x = 283,403,262,191.01/589,933.85
  6. Step 6: Final answer
    x = 480,398.38

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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.