Home / 910,862.27-1,257,100.77-528,889.07

Finding the Fourth Proportional to 910,862.27, 1,257,100.77 and 528,889.07

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Solution

The fourth proportional to 910,862.27, 1,257,100.77 and 528,889.07 is: 729,931.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,862.27 : 1,257,100.77 = 528,889.07 : x
  2. Step 2: Convert to fraction form
    910,862.27/1,257,100.77 = 528,889.07/x
  3. Step 3: Cross multiply
    910,862.27x = 1,257,100.77 × 528,889.07
  4. Step 4: Simplify right side
    910,862.27x = 664,866,850,856.08
  5. Step 5: Solve for x
    x = 664,866,850,856.08/910,862.27
  6. Step 6: Final answer
    x = 729,931.27

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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.