Home / 637,601.24-878,393.09-443,675.45

Finding the Fourth Proportional to 637,601.24, 878,393.09 and 443,675.45

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Solution

The fourth proportional to 637,601.24, 878,393.09 and 443,675.45 is: 611,230.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,601.24 : 878,393.09 = 443,675.45 : x
  2. Step 2: Convert to fraction form
    637,601.24/878,393.09 = 443,675.45/x
  3. Step 3: Cross multiply
    637,601.24x = 878,393.09 × 443,675.45
  4. Step 4: Simplify right side
    637,601.24x = 389,721,452,787.81
  5. Step 5: Solve for x
    x = 389,721,452,787.81/637,601.24
  6. Step 6: Final answer
    x = 611,230.70

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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.