Home / 771,152.44-1,063,988.58-444,385.48

Finding the Fourth Proportional to 771,152.44, 1,063,988.58 and 444,385.48

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Solution

The fourth proportional to 771,152.44, 1,063,988.58 and 444,385.48 is: 613,135.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,152.44 : 1,063,988.58 = 444,385.48 : x
  2. Step 2: Convert to fraction form
    771,152.44/1,063,988.58 = 444,385.48/x
  3. Step 3: Cross multiply
    771,152.44x = 1,063,988.58 × 444,385.48
  4. Step 4: Simplify right side
    771,152.44x = 472,821,075,837.82
  5. Step 5: Solve for x
    x = 472,821,075,837.82/771,152.44
  6. Step 6: Final answer
    x = 613,135.68

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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.