Home / 343,718.32-474,632.60-214,877.04

Finding the Fourth Proportional to 343,718.32, 474,632.60 and 214,877.04

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Solution

The fourth proportional to 343,718.32, 474,632.60 and 214,877.04 is: 296,718.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,718.32 : 474,632.60 = 214,877.04 : x
  2. Step 2: Convert to fraction form
    343,718.32/474,632.60 = 214,877.04/x
  3. Step 3: Cross multiply
    343,718.32x = 474,632.60 × 214,877.04
  4. Step 4: Simplify right side
    343,718.32x = 101,987,648,175.50
  5. Step 5: Solve for x
    x = 101,987,648,175.50/343,718.32
  6. Step 6: Final answer
    x = 296,718.69

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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.