Home / 891,324.03-1,229,629.10-528,763.17

Finding the Fourth Proportional to 891,324.03, 1,229,629.10 and 528,763.17

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Solution

The fourth proportional to 891,324.03, 1,229,629.10 and 528,763.17 is: 729,457.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,324.03 : 1,229,629.10 = 528,763.17 : x
  2. Step 2: Convert to fraction form
    891,324.03/1,229,629.10 = 528,763.17/x
  3. Step 3: Cross multiply
    891,324.03x = 1,229,629.10 × 528,763.17
  4. Step 4: Simplify right side
    891,324.03x = 650,182,578,196.43
  5. Step 5: Solve for x
    x = 650,182,578,196.43/891,324.03
  6. Step 6: Final answer
    x = 729,457.03

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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.