Home / 495,715.38-684,091.53-269,360.88

Finding the Fourth Proportional to 495,715.38, 684,091.53 and 269,360.88

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Solution

The fourth proportional to 495,715.38, 684,091.53 and 269,360.88 is: 371,720.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,715.38 : 684,091.53 = 269,360.88 : x
  2. Step 2: Convert to fraction form
    495,715.38/684,091.53 = 269,360.88/x
  3. Step 3: Cross multiply
    495,715.38x = 684,091.53 × 269,360.88
  4. Step 4: Simplify right side
    495,715.38x = 184,267,496,521.35
  5. Step 5: Solve for x
    x = 184,267,496,521.35/495,715.38
  6. Step 6: Final answer
    x = 371,720.35

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1.5x scale

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.