Home / 856,259.25-1,181,638.28-469,088.74

Finding the Fourth Proportional to 856,259.25, 1,181,638.28 and 469,088.74

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Solution

The fourth proportional to 856,259.25, 1,181,638.28 and 469,088.74 is: 647,342.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,259.25 : 1,181,638.28 = 469,088.74 : x
  2. Step 2: Convert to fraction form
    856,259.25/1,181,638.28 = 469,088.74/x
  3. Step 3: Cross multiply
    856,259.25x = 1,181,638.28 × 469,088.74
  4. Step 4: Simplify right side
    856,259.25x = 554,293,215,235.47
  5. Step 5: Solve for x
    x = 554,293,215,235.47/856,259.25
  6. Step 6: Final answer
    x = 647,342.75

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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.