Home / 896,213.18-1,236,758.55-488,318.39

Finding the Fourth Proportional to 896,213.18, 1,236,758.55 and 488,318.39

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Solution

The fourth proportional to 896,213.18, 1,236,758.55 and 488,318.39 is: 673,870.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,213.18 : 1,236,758.55 = 488,318.39 : x
  2. Step 2: Convert to fraction form
    896,213.18/1,236,758.55 = 488,318.39/x
  3. Step 3: Cross multiply
    896,213.18x = 1,236,758.55 × 488,318.39
  4. Step 4: Simplify right side
    896,213.18x = 603,931,937,770.94
  5. Step 5: Solve for x
    x = 603,931,937,770.94/896,213.18
  6. Step 6: Final answer
    x = 673,870.85

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Double scale
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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.