Home / 941,814.86-1,299,720.75-512,097.80

Finding the Fourth Proportional to 941,814.86, 1,299,720.75 and 512,097.80

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Solution

The fourth proportional to 941,814.86, 1,299,720.75 and 512,097.80 is: 706,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,814.86 : 1,299,720.75 = 512,097.80 : x
  2. Step 2: Convert to fraction form
    941,814.86/1,299,720.75 = 512,097.80/x
  3. Step 3: Cross multiply
    941,814.86x = 1,299,720.75 × 512,097.80
  4. Step 4: Simplify right side
    941,814.86x = 665,584,136,689.35
  5. Step 5: Solve for x
    x = 665,584,136,689.35/941,814.86
  6. Step 6: Final answer
    x = 706,703.80

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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.