Home / 987,333.66-1,362,521.52-534,623.58

Finding the Fourth Proportional to 987,333.66, 1,362,521.52 and 534,623.58

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Solution

The fourth proportional to 987,333.66, 1,362,521.52 and 534,623.58 is: 737,781.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,333.66 : 1,362,521.52 = 534,623.58 : x
  2. Step 2: Convert to fraction form
    987,333.66/1,362,521.52 = 534,623.58/x
  3. Step 3: Cross multiply
    987,333.66x = 1,362,521.52 × 534,623.58
  4. Step 4: Simplify right side
    987,333.66x = 728,436,132,849.44
  5. Step 5: Solve for x
    x = 728,436,132,849.44/987,333.66
  6. Step 6: Final answer
    x = 737,781.12

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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.