Home / 495,742.14-684,134.28-269,402.22

Finding the Fourth Proportional to 495,742.14, 684,134.28 and 269,402.22

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Solution

The fourth proportional to 495,742.14, 684,134.28 and 269,402.22 is: 371,780.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,742.14 : 684,134.28 = 269,402.22 : x
  2. Step 2: Convert to fraction form
    495,742.14/684,134.28 = 269,402.22/x
  3. Step 3: Cross multiply
    495,742.14x = 684,134.28 × 269,402.22
  4. Step 4: Simplify right side
    495,742.14x = 184,307,293,810.10
  5. Step 5: Solve for x
    x = 184,307,293,810.10/495,742.14
  6. Step 6: Final answer
    x = 371,780.57

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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.