Home / 939,854.24-1,297,000.18-510,134.46

Finding the Fourth Proportional to 939,854.24, 1,297,000.18 and 510,134.46

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Solution

The fourth proportional to 939,854.24, 1,297,000.18 and 510,134.46 is: 703,986.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,854.24 : 1,297,000.18 = 510,134.46 : x
  2. Step 2: Convert to fraction form
    939,854.24/1,297,000.18 = 510,134.46/x
  3. Step 3: Cross multiply
    939,854.24x = 1,297,000.18 × 510,134.46
  4. Step 4: Simplify right side
    939,854.24x = 661,644,486,444.20
  5. Step 5: Solve for x
    x = 661,644,486,444.20/939,854.24
  6. Step 6: Final answer
    x = 703,986.28

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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.