Home / 918,625.22-1,267,807.65-510,767.54

Finding the Fourth Proportional to 918,625.22, 1,267,807.65 and 510,767.54

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Solution

The fourth proportional to 918,625.22, 1,267,807.65 and 510,767.54 is: 704,917.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,625.22 : 1,267,807.65 = 510,767.54 : x
  2. Step 2: Convert to fraction form
    918,625.22/1,267,807.65 = 510,767.54/x
  3. Step 3: Cross multiply
    918,625.22x = 1,267,807.65 × 510,767.54
  4. Step 4: Simplify right side
    918,625.22x = 647,554,994,583.68
  5. Step 5: Solve for x
    x = 647,554,994,583.68/918,625.22
  6. Step 6: Final answer
    x = 704,917.50

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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.