Home / 922,929.88-1,273,640.77-515,027.38

Finding the Fourth Proportional to 922,929.88, 1,273,640.77 and 515,027.38

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Solution

The fourth proportional to 922,929.88, 1,273,640.77 and 515,027.38 is: 710,736.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,929.88 : 1,273,640.77 = 515,027.38 : x
  2. Step 2: Convert to fraction form
    922,929.88/1,273,640.77 = 515,027.38/x
  3. Step 3: Cross multiply
    922,929.88x = 1,273,640.77 × 515,027.38
  4. Step 4: Simplify right side
    922,929.88x = 655,959,868,834.28
  5. Step 5: Solve for x
    x = 655,959,868,834.28/922,929.88
  6. Step 6: Final answer
    x = 710,736.41

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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.