Home / 801,923.77-1,105,768.23-511,075.02

Finding the Fourth Proportional to 801,923.77, 1,105,768.23 and 511,075.02

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Solution

The fourth proportional to 801,923.77, 1,105,768.23 and 511,075.02 is: 704,718.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,923.77 : 1,105,768.23 = 511,075.02 : x
  2. Step 2: Convert to fraction form
    801,923.77/1,105,768.23 = 511,075.02/x
  3. Step 3: Cross multiply
    801,923.77x = 1,105,768.23 × 511,075.02
  4. Step 4: Simplify right side
    801,923.77x = 565,130,520,584.96
  5. Step 5: Solve for x
    x = 565,130,520,584.96/801,923.77
  6. Step 6: Final answer
    x = 704,718.51

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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.