Home / 695,227.93-958,918.90-638,051.56

Finding the Fourth Proportional to 695,227.93, 958,918.90 and 638,051.56

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Solution

The fourth proportional to 695,227.93, 958,918.90 and 638,051.56 is: 880,056.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,227.93 : 958,918.90 = 638,051.56 : x
  2. Step 2: Convert to fraction form
    695,227.93/958,918.90 = 638,051.56/x
  3. Step 3: Cross multiply
    695,227.93x = 958,918.90 × 638,051.56
  4. Step 4: Simplify right side
    695,227.93x = 611,839,700,058.48
  5. Step 5: Solve for x
    x = 611,839,700,058.48/695,227.93
  6. Step 6: Final answer
    x = 880,056.27

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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.