Home / 416,075.05-574,182.30-225,088.39

Finding the Fourth Proportional to 416,075.05, 574,182.30 and 225,088.39

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Solution

The fourth proportional to 416,075.05, 574,182.30 and 225,088.39 is: 310,621.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,075.05 : 574,182.30 = 225,088.39 : x
  2. Step 2: Convert to fraction form
    416,075.05/574,182.30 = 225,088.39/x
  3. Step 3: Cross multiply
    416,075.05x = 574,182.30 × 225,088.39
  4. Step 4: Simplify right side
    416,075.05x = 129,241,769,473.50
  5. Step 5: Solve for x
    x = 129,241,769,473.50/416,075.05
  6. Step 6: Final answer
    x = 310,621.29

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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.