Home / 910,634.74-1,256,840.48-543,135.44

Finding the Fourth Proportional to 910,634.74, 1,256,840.48 and 543,135.44

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Solution

The fourth proportional to 910,634.74, 1,256,840.48 and 543,135.44 is: 749,625.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,634.74 : 1,256,840.48 = 543,135.44 : x
  2. Step 2: Convert to fraction form
    910,634.74/1,256,840.48 = 543,135.44/x
  3. Step 3: Cross multiply
    910,634.74x = 1,256,840.48 × 543,135.44
  4. Step 4: Simplify right side
    910,634.74x = 682,634,607,114.61
  5. Step 5: Solve for x
    x = 682,634,607,114.61/910,634.74
  6. Step 6: Final answer
    x = 749,625.04

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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.