Home / 709,403.80-1,064,115.06-236,089.24

Finding the Fourth Proportional to 709,403.80, 1,064,115.06 and 236,089.24

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Solution

The fourth proportional to 709,403.80, 1,064,115.06 and 236,089.24 is: 354,136.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,403.80 : 1,064,115.06 = 236,089.24 : x
  2. Step 2: Convert to fraction form
    709,403.80/1,064,115.06 = 236,089.24/x
  3. Step 3: Cross multiply
    709,403.80x = 1,064,115.06 × 236,089.24
  4. Step 4: Simplify right side
    709,403.80x = 251,226,115,787.95
  5. Step 5: Solve for x
    x = 251,226,115,787.95/709,403.80
  6. Step 6: Final answer
    x = 354,136.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.