Home / 751,871.89-1,037,356.45-461,184.72

Finding the Fourth Proportional to 751,871.89, 1,037,356.45 and 461,184.72

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Solution

The fourth proportional to 751,871.89, 1,037,356.45 and 461,184.72 is: 636,295.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,871.89 : 1,037,356.45 = 461,184.72 : x
  2. Step 2: Convert to fraction form
    751,871.89/1,037,356.45 = 461,184.72/x
  3. Step 3: Cross multiply
    751,871.89x = 1,037,356.45 × 461,184.72
  4. Step 4: Simplify right side
    751,871.89x = 478,412,943,933.44
  5. Step 5: Solve for x
    x = 478,412,943,933.44/751,871.89
  6. Step 6: Final answer
    x = 636,295.82

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Double scale
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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.