Home / 628,356.64-867,106.25-341,877.86

Finding the Fourth Proportional to 628,356.64, 867,106.25 and 341,877.86

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Solution

The fourth proportional to 628,356.64, 867,106.25 and 341,877.86 is: 471,777.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,356.64 : 867,106.25 = 341,877.86 : x
  2. Step 2: Convert to fraction form
    628,356.64/867,106.25 = 341,877.86/x
  3. Step 3: Cross multiply
    628,356.64x = 867,106.25 × 341,877.86
  4. Step 4: Simplify right side
    628,356.64x = 296,444,429,142.63
  5. Step 5: Solve for x
    x = 296,444,429,142.63/628,356.64
  6. Step 6: Final answer
    x = 471,777.35

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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.