Home / 495,108.08-683,264.44-291,122.16

Finding the Fourth Proportional to 495,108.08, 683,264.44 and 291,122.16

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Solution

The fourth proportional to 495,108.08, 683,264.44 and 291,122.16 is: 401,757.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,108.08 : 683,264.44 = 291,122.16 : x
  2. Step 2: Convert to fraction form
    495,108.08/683,264.44 = 291,122.16/x
  3. Step 3: Cross multiply
    495,108.08x = 683,264.44 × 291,122.16
  4. Step 4: Simplify right side
    495,108.08x = 198,913,419,623.99
  5. Step 5: Solve for x
    x = 198,913,419,623.99/495,108.08
  6. Step 6: Final answer
    x = 401,757.57

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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.