Home / 880,278.03-1,214,890.95-517,684.37

Finding the Fourth Proportional to 880,278.03, 1,214,890.95 and 517,684.37

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Solution

The fourth proportional to 880,278.03, 1,214,890.95 and 517,684.37 is: 714,467.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,278.03 : 1,214,890.95 = 517,684.37 : x
  2. Step 2: Convert to fraction form
    880,278.03/1,214,890.95 = 517,684.37/x
  3. Step 3: Cross multiply
    880,278.03x = 1,214,890.95 × 517,684.37
  4. Step 4: Simplify right side
    880,278.03x = 628,930,051,936.31
  5. Step 5: Solve for x
    x = 628,930,051,936.31/880,278.03
  6. Step 6: Final answer
    x = 714,467.51

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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.