Home / 876,186.48-1,209,138.66-473,778.48

Finding the Fourth Proportional to 876,186.48, 1,209,138.66 and 473,778.48

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Solution

The fourth proportional to 876,186.48, 1,209,138.66 and 473,778.48 is: 653,815.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,186.48 : 1,209,138.66 = 473,778.48 : x
  2. Step 2: Convert to fraction form
    876,186.48/1,209,138.66 = 473,778.48/x
  3. Step 3: Cross multiply
    876,186.48x = 1,209,138.66 × 473,778.48
  4. Step 4: Simplify right side
    876,186.48x = 572,863,876,444.04
  5. Step 5: Solve for x
    x = 572,863,876,444.04/876,186.48
  6. Step 6: Final answer
    x = 653,815.01

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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.