Home / 987,549.23-1,362,818.05-534,840.23

Finding the Fourth Proportional to 987,549.23, 1,362,818.05 and 534,840.23

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Solution

The fourth proportional to 987,549.23, 1,362,818.05 and 534,840.23 is: 738,079.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,549.23 : 1,362,818.05 = 534,840.23 : x
  2. Step 2: Convert to fraction form
    987,549.23/1,362,818.05 = 534,840.23/x
  3. Step 3: Cross multiply
    987,549.23x = 1,362,818.05 × 534,840.23
  4. Step 4: Simplify right side
    987,549.23x = 728,889,921,380.10
  5. Step 5: Solve for x
    x = 728,889,921,380.10/987,549.23
  6. Step 6: Final answer
    x = 738,079.58

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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.