Home / 910,063.20-1,256,137.02-528,213

Finding the Fourth Proportional to 910,063.20, 1,256,137.02 and 528,213

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Solution

The fourth proportional to 910,063.20, 1,256,137.02 and 528,213 is: 729,078.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,063.20 : 1,256,137.02 = 528,213 : x
  2. Step 2: Convert to fraction form
    910,063.20/1,256,137.02 = 528,213/x
  3. Step 3: Cross multiply
    910,063.20x = 1,256,137.02 × 528,213
  4. Step 4: Simplify right side
    910,063.20x = 663,507,903,745.26
  5. Step 5: Solve for x
    x = 663,507,903,745.26/910,063.20
  6. Step 6: Final answer
    x = 729,078.93

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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.