Home / 495,219.12-683,391.16-291,230.32

Finding the Fourth Proportional to 495,219.12, 683,391.16 and 291,230.32

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Solution

The fourth proportional to 495,219.12, 683,391.16 and 291,230.32 is: 401,891.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,219.12 : 683,391.16 = 291,230.32 : x
  2. Step 2: Convert to fraction form
    495,219.12/683,391.16 = 291,230.32/x
  3. Step 3: Cross multiply
    495,219.12x = 683,391.16 × 291,230.32
  4. Step 4: Simplify right side
    495,219.12x = 199,024,226,211.97
  5. Step 5: Solve for x
    x = 199,024,226,211.97/495,219.12
  6. Step 6: Final answer
    x = 401,891.24

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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.