Home / 939,764.84-1,296,876.73-510,044.96

Finding the Fourth Proportional to 939,764.84, 1,296,876.73 and 510,044.96

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Solution

The fourth proportional to 939,764.84, 1,296,876.73 and 510,044.96 is: 703,862.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,764.84 : 1,296,876.73 = 510,044.96 : x
  2. Step 2: Convert to fraction form
    939,764.84/1,296,876.73 = 510,044.96/x
  3. Step 3: Cross multiply
    939,764.84x = 1,296,876.73 × 510,044.96
  4. Step 4: Simplify right side
    939,764.84x = 661,465,446,597.32
  5. Step 5: Solve for x
    x = 661,465,446,597.32/939,764.84
  6. Step 6: Final answer
    x = 703,862.73

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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.