Home / 878,224.80-1,211,579.11-587,929.89

Finding the Fourth Proportional to 878,224.80, 1,211,579.11 and 587,929.89

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Solution

The fourth proportional to 878,224.80, 1,211,579.11 and 587,929.89 is: 811,094.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,224.80 : 1,211,579.11 = 587,929.89 : x
  2. Step 2: Convert to fraction form
    878,224.80/1,211,579.11 = 587,929.89/x
  3. Step 3: Cross multiply
    878,224.80x = 1,211,579.11 × 587,929.89
  4. Step 4: Simplify right side
    878,224.80x = 712,323,569,678.25
  5. Step 5: Solve for x
    x = 712,323,569,678.25/878,224.80
  6. Step 6: Final answer
    x = 811,094.80

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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.