Home / 855,890.81-1,181,114.88-473,909.39

Finding the Fourth Proportional to 855,890.81, 1,181,114.88 and 473,909.39

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Solution

The fourth proportional to 855,890.81, 1,181,114.88 and 473,909.39 is: 653,986.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,890.81 : 1,181,114.88 = 473,909.39 : x
  2. Step 2: Convert to fraction form
    855,890.81/1,181,114.88 = 473,909.39/x
  3. Step 3: Cross multiply
    855,890.81x = 1,181,114.88 × 473,909.39
  4. Step 4: Simplify right side
    855,890.81x = 559,741,431,712.91
  5. Step 5: Solve for x
    x = 559,741,431,712.91/855,890.81
  6. Step 6: Final answer
    x = 653,986.96

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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.