Home / 766,716.02-1,058,075.26-422,564.22

Finding the Fourth Proportional to 766,716.02, 1,058,075.26 and 422,564.22

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Solution

The fourth proportional to 766,716.02, 1,058,075.26 and 422,564.22 is: 583,142.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,716.02 : 1,058,075.26 = 422,564.22 : x
  2. Step 2: Convert to fraction form
    766,716.02/1,058,075.26 = 422,564.22/x
  3. Step 3: Cross multiply
    766,716.02x = 1,058,075.26 × 422,564.22
  4. Step 4: Simplify right side
    766,716.02x = 447,104,746,943.20
  5. Step 5: Solve for x
    x = 447,104,746,943.20/766,716.02
  6. Step 6: Final answer
    x = 583,142.57

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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.