Home / 910,163.25-1,256,025.83-507,755.25

Finding the Fourth Proportional to 910,163.25, 1,256,025.83 and 507,755.25

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Solution

The fourth proportional to 910,163.25, 1,256,025.83 and 507,755.25 is: 700,702.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,163.25 : 1,256,025.83 = 507,755.25 : x
  2. Step 2: Convert to fraction form
    910,163.25/1,256,025.83 = 507,755.25/x
  3. Step 3: Cross multiply
    910,163.25x = 1,256,025.83 × 507,755.25
  4. Step 4: Simplify right side
    910,163.25x = 637,753,706,779.33
  5. Step 5: Solve for x
    x = 637,753,706,779.33/910,163.25
  6. Step 6: Final answer
    x = 700,702.55

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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.