Home / 896,277.34-1,236,846.71-488,382.70

Finding the Fourth Proportional to 896,277.34, 1,236,846.71 and 488,382.70

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Solution

The fourth proportional to 896,277.34, 1,236,846.71 and 488,382.70 is: 673,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,277.34 : 1,236,846.71 = 488,382.70 : x
  2. Step 2: Convert to fraction form
    896,277.34/1,236,846.71 = 488,382.70/x
  3. Step 3: Cross multiply
    896,277.34x = 1,236,846.71 × 488,382.70
  4. Step 4: Simplify right side
    896,277.34x = 604,054,536,163.85
  5. Step 5: Solve for x
    x = 604,054,536,163.85/896,277.34
  6. Step 6: Final answer
    x = 673,959.40

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Half scale
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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.