Home / 423,822.62-585,393.27-316,868.06

Finding the Fourth Proportional to 423,822.62, 585,393.27 and 316,868.06

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Solution

The fourth proportional to 423,822.62, 585,393.27 and 316,868.06 is: 437,665.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,822.62 : 585,393.27 = 316,868.06 : x
  2. Step 2: Convert to fraction form
    423,822.62/585,393.27 = 316,868.06/x
  3. Step 3: Cross multiply
    423,822.62x = 585,393.27 × 316,868.06
  4. Step 4: Simplify right side
    423,822.62x = 185,492,429,801.96
  5. Step 5: Solve for x
    x = 185,492,429,801.96/423,822.62
  6. Step 6: Final answer
    x = 437,665.24

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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.