Home / 695,173.23-959,116.01-389,204.55

Finding the Fourth Proportional to 695,173.23, 959,116.01 and 389,204.55

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Solution

The fourth proportional to 695,173.23, 959,116.01 and 389,204.55 is: 536,977.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,173.23 : 959,116.01 = 389,204.55 : x
  2. Step 2: Convert to fraction form
    695,173.23/959,116.01 = 389,204.55/x
  3. Step 3: Cross multiply
    695,173.23x = 959,116.01 × 389,204.55
  4. Step 4: Simplify right side
    695,173.23x = 373,292,313,123.82
  5. Step 5: Solve for x
    x = 373,292,313,123.82/695,173.23
  6. Step 6: Final answer
    x = 536,977.40

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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.