Home / 827,141.04-1,235,108.64-656,749.44

Finding the Fourth Proportional to 827,141.04, 1,235,108.64 and 656,749.44

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Solution

The fourth proportional to 827,141.04, 1,235,108.64 and 656,749.44 is: 980,675.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,141.04 : 1,235,108.64 = 656,749.44 : x
  2. Step 2: Convert to fraction form
    827,141.04/1,235,108.64 = 656,749.44/x
  3. Step 3: Cross multiply
    827,141.04x = 1,235,108.64 × 656,749.44
  4. Step 4: Simplify right side
    827,141.04x = 811,156,907,659.16
  5. Step 5: Solve for x
    x = 811,156,907,659.16/827,141.04
  6. Step 6: Final answer
    x = 980,675.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.