Home / 939,856.17-1,297,002.72-510,136.19

Finding the Fourth Proportional to 939,856.17, 1,297,002.72 and 510,136.19

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Solution

The fourth proportional to 939,856.17, 1,297,002.72 and 510,136.19 is: 703,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,856.17 : 1,297,002.72 = 510,136.19 : x
  2. Step 2: Convert to fraction form
    939,856.17/1,297,002.72 = 510,136.19/x
  3. Step 3: Cross multiply
    939,856.17x = 1,297,002.72 × 510,136.19
  4. Step 4: Simplify right side
    939,856.17x = 661,648,026,000.44
  5. Step 5: Solve for x
    x = 661,648,026,000.44/939,856.17
  6. Step 6: Final answer
    x = 703,988.60

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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.