Home / 476,291.13-657,827.28-313,674.57

Finding the Fourth Proportional to 476,291.13, 657,827.28 and 313,674.57

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Solution

The fourth proportional to 476,291.13, 657,827.28 and 313,674.57 is: 433,230.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,291.13 : 657,827.28 = 313,674.57 : x
  2. Step 2: Convert to fraction form
    476,291.13/657,827.28 = 313,674.57/x
  3. Step 3: Cross multiply
    476,291.13x = 657,827.28 × 313,674.57
  4. Step 4: Simplify right side
    476,291.13x = 206,343,690,156.20
  5. Step 5: Solve for x
    x = 206,343,690,156.20/476,291.13
  6. Step 6: Final answer
    x = 433,230.17

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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.