Home / 822,276.72-1,135,091.70-500,090.22

Finding the Fourth Proportional to 822,276.72, 1,135,091.70 and 500,090.22

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Solution

The fourth proportional to 822,276.72, 1,135,091.70 and 500,090.22 is: 690,337.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,276.72 : 1,135,091.70 = 500,090.22 : x
  2. Step 2: Convert to fraction form
    822,276.72/1,135,091.70 = 500,090.22/x
  3. Step 3: Cross multiply
    822,276.72x = 1,135,091.70 × 500,090.22
  4. Step 4: Simplify right side
    822,276.72x = 567,648,257,973.17
  5. Step 5: Solve for x
    x = 567,648,257,973.17/822,276.72
  6. Step 6: Final answer
    x = 690,337.26

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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.