Home / 787,356.24-1,085,991.75-525,579.54

Finding the Fourth Proportional to 787,356.24, 1,085,991.75 and 525,579.54

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Solution

The fourth proportional to 787,356.24, 1,085,991.75 and 525,579.54 is: 724,926.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,356.24 : 1,085,991.75 = 525,579.54 : x
  2. Step 2: Convert to fraction form
    787,356.24/1,085,991.75 = 525,579.54/x
  3. Step 3: Cross multiply
    787,356.24x = 1,085,991.75 × 525,579.54
  4. Step 4: Simplify right side
    787,356.24x = 570,775,044,408.80
  5. Step 5: Solve for x
    x = 570,775,044,408.80/787,356.24
  6. Step 6: Final answer
    x = 724,926.04

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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.