Home / 628,356.89-867,106.59-341,878.11

Finding the Fourth Proportional to 628,356.89, 867,106.59 and 341,878.11

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Solution

The fourth proportional to 628,356.89, 867,106.59 and 341,878.11 is: 471,777.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,356.89 : 867,106.59 = 341,878.11 : x
  2. Step 2: Convert to fraction form
    628,356.89/867,106.59 = 341,878.11/x
  3. Step 3: Cross multiply
    628,356.89x = 867,106.59 × 341,878.11
  4. Step 4: Simplify right side
    628,356.89x = 296,444,762,157.75
  5. Step 5: Solve for x
    x = 296,444,762,157.75/628,356.89
  6. Step 6: Final answer
    x = 471,777.69

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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.