Home / 939,821.70-1,296,955.41-510,102

Finding the Fourth Proportional to 939,821.70, 1,296,955.41 and 510,102

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Solution

The fourth proportional to 939,821.70, 1,296,955.41 and 510,102 is: 703,941.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,821.70 : 1,296,955.41 = 510,102 : x
  2. Step 2: Convert to fraction form
    939,821.70/1,296,955.41 = 510,102/x
  3. Step 3: Cross multiply
    939,821.70x = 1,296,955.41 × 510,102
  4. Step 4: Simplify right side
    939,821.70x = 661,579,548,551.82
  5. Step 5: Solve for x
    x = 661,579,548,551.82/939,821.70
  6. Step 6: Final answer
    x = 703,941.55

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1.5x scale

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.