Home / 559,516.16-772,086.20-330,083.10

Finding the Fourth Proportional to 559,516.16, 772,086.20 and 330,083.10

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Solution

The fourth proportional to 559,516.16, 772,086.20 and 330,083.10 is: 455,487.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,516.16 : 772,086.20 = 330,083.10 : x
  2. Step 2: Convert to fraction form
    559,516.16/772,086.20 = 330,083.10/x
  3. Step 3: Cross multiply
    559,516.16x = 772,086.20 × 330,083.10
  4. Step 4: Simplify right side
    559,516.16x = 254,852,604,712.80
  5. Step 5: Solve for x
    x = 254,852,604,712.80/559,516.16
  6. Step 6: Final answer
    x = 455,487.48

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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.