Home / 695,172.12-1,043,152.32-375,319.68

Finding the Fourth Proportional to 695,172.12, 1,043,152.32 and 375,319.68

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Solution

The fourth proportional to 695,172.12, 1,043,152.32 and 375,319.68 is: 563,192.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,172.12 : 1,043,152.32 = 375,319.68 : x
  2. Step 2: Convert to fraction form
    695,172.12/1,043,152.32 = 375,319.68/x
  3. Step 3: Cross multiply
    695,172.12x = 1,043,152.32 × 375,319.68
  4. Step 4: Simplify right side
    695,172.12x = 391,515,594,933.66
  5. Step 5: Solve for x
    x = 391,515,594,933.66/695,172.12
  6. Step 6: Final answer
    x = 563,192.31

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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.