Home / 856,667.92-1,182,175.92-469,478.60

Finding the Fourth Proportional to 856,667.92, 1,182,175.92 and 469,478.60

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Solution

The fourth proportional to 856,667.92, 1,182,175.92 and 469,478.60 is: 647,866.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,667.92 : 1,182,175.92 = 469,478.60 : x
  2. Step 2: Convert to fraction form
    856,667.92/1,182,175.92 = 469,478.60/x
  3. Step 3: Cross multiply
    856,667.92x = 1,182,175.92 × 469,478.60
  4. Step 4: Simplify right side
    856,667.92x = 555,006,295,875.31
  5. Step 5: Solve for x
    x = 555,006,295,875.31/856,667.92
  6. Step 6: Final answer
    x = 647,866.32

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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.