Home / 949,781.12-1,424,715.42-528,739.88

Finding the Fourth Proportional to 949,781.12, 1,424,715.42 and 528,739.88

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Solution

The fourth proportional to 949,781.12, 1,424,715.42 and 528,739.88 is: 793,134.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,781.12 : 1,424,715.42 = 528,739.88 : x
  2. Step 2: Convert to fraction form
    949,781.12/1,424,715.42 = 528,739.88/x
  3. Step 3: Cross multiply
    949,781.12x = 1,424,715.42 × 528,739.88
  4. Step 4: Simplify right side
    949,781.12x = 753,303,860,204.95
  5. Step 5: Solve for x
    x = 753,303,860,204.95/949,781.12
  6. Step 6: Final answer
    x = 793,134.17

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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.