Home / 939,805.29-1,296,932.40-510,085.53

Finding the Fourth Proportional to 939,805.29, 1,296,932.40 and 510,085.53

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Solution

The fourth proportional to 939,805.29, 1,296,932.40 and 510,085.53 is: 703,918.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,805.29 : 1,296,932.40 = 510,085.53 : x
  2. Step 2: Convert to fraction form
    939,805.29/1,296,932.40 = 510,085.53/x
  3. Step 3: Cross multiply
    939,805.29x = 1,296,932.40 × 510,085.53
  4. Step 4: Simplify right side
    939,805.29x = 661,546,450,628.17
  5. Step 5: Solve for x
    x = 661,546,450,628.17/939,805.29
  6. Step 6: Final answer
    x = 703,918.63

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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.