Home / 710,131.68-1,064,830.26-260,737.20

Finding the Fourth Proportional to 710,131.68, 1,064,830.26 and 260,737.20

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Solution

The fourth proportional to 710,131.68, 1,064,830.26 and 260,737.20 is: 390,970.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,131.68 : 1,064,830.26 = 260,737.20 : x
  2. Step 2: Convert to fraction form
    710,131.68/1,064,830.26 = 260,737.20/x
  3. Step 3: Cross multiply
    710,131.68x = 1,064,830.26 × 260,737.20
  4. Step 4: Simplify right side
    710,131.68x = 277,640,860,467.67
  5. Step 5: Solve for x
    x = 277,640,860,467.67/710,131.68
  6. Step 6: Final answer
    x = 390,970.95

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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.