Home / 894,305.12-1,234,140.18-512,333.42

Finding the Fourth Proportional to 894,305.12, 1,234,140.18 and 512,333.42

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Solution

The fourth proportional to 894,305.12, 1,234,140.18 and 512,333.42 is: 707,019.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,305.12 : 1,234,140.18 = 512,333.42 : x
  2. Step 2: Convert to fraction form
    894,305.12/1,234,140.18 = 512,333.42/x
  3. Step 3: Cross multiply
    894,305.12x = 1,234,140.18 × 512,333.42
  4. Step 4: Simplify right side
    894,305.12x = 632,291,259,178.82
  5. Step 5: Solve for x
    x = 632,291,259,178.82/894,305.12
  6. Step 6: Final answer
    x = 707,019.61

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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.