Home / 681,075.09-939,908.49-423,094.44

Finding the Fourth Proportional to 681,075.09, 939,908.49 and 423,094.44

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Solution

The fourth proportional to 681,075.09, 939,908.49 and 423,094.44 is: 583,885.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,075.09 : 939,908.49 = 423,094.44 : x
  2. Step 2: Convert to fraction form
    681,075.09/939,908.49 = 423,094.44/x
  3. Step 3: Cross multiply
    681,075.09x = 939,908.49 × 423,094.44
  4. Step 4: Simplify right side
    681,075.09x = 397,670,056,227.80
  5. Step 5: Solve for x
    x = 397,670,056,227.80/681,075.09
  6. Step 6: Final answer
    x = 583,885.77

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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.