Home / 827,607.72-1,142,062.20-483,475.53

Finding the Fourth Proportional to 827,607.72, 1,142,062.20 and 483,475.53

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Solution

The fourth proportional to 827,607.72, 1,142,062.20 and 483,475.53 is: 667,174.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,607.72 : 1,142,062.20 = 483,475.53 : x
  2. Step 2: Convert to fraction form
    827,607.72/1,142,062.20 = 483,475.53/x
  3. Step 3: Cross multiply
    827,607.72x = 1,142,062.20 × 483,475.53
  4. Step 4: Simplify right side
    827,607.72x = 552,159,127,437.97
  5. Step 5: Solve for x
    x = 552,159,127,437.97/827,607.72
  6. Step 6: Final answer
    x = 667,174.94

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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.