Home / 352,039.30-528,058.95-313,332.10

Finding the Fourth Proportional to 352,039.30, 528,058.95 and 313,332.10

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Solution

The fourth proportional to 352,039.30, 528,058.95 and 313,332.10 is: 469,998.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,039.30 : 528,058.95 = 313,332.10 : x
  2. Step 2: Convert to fraction form
    352,039.30/528,058.95 = 313,332.10/x
  3. Step 3: Cross multiply
    352,039.30x = 528,058.95 × 313,332.10
  4. Step 4: Simplify right side
    352,039.30x = 165,457,819,727.30
  5. Step 5: Solve for x
    x = 165,457,819,727.30/352,039.30
  6. Step 6: Final answer
    x = 469,998.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.