Home / 758,889.53-1,136,294.36-578,113.73

Finding the Fourth Proportional to 758,889.53, 1,136,294.36 and 578,113.73

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Solution

The fourth proportional to 758,889.53, 1,136,294.36 and 578,113.73 is: 865,616.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,889.53 : 1,136,294.36 = 578,113.73 : x
  2. Step 2: Convert to fraction form
    758,889.53/1,136,294.36 = 578,113.73/x
  3. Step 3: Cross multiply
    758,889.53x = 1,136,294.36 × 578,113.73
  4. Step 4: Simplify right side
    758,889.53x = 656,907,367,946.99
  5. Step 5: Solve for x
    x = 656,907,367,946.99/758,889.53
  6. Step 6: Final answer
    x = 865,616.59

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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.