Home / 377,451.01-521,075.38-291,216.23

Finding the Fourth Proportional to 377,451.01, 521,075.38 and 291,216.23

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Solution

The fourth proportional to 377,451.01, 521,075.38 and 291,216.23 is: 402,027.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,451.01 : 521,075.38 = 291,216.23 : x
  2. Step 2: Convert to fraction form
    377,451.01/521,075.38 = 291,216.23/x
  3. Step 3: Cross multiply
    377,451.01x = 521,075.38 × 291,216.23
  4. Step 4: Simplify right side
    377,451.01x = 151,745,603,647.96
  5. Step 5: Solve for x
    x = 151,745,603,647.96/377,451.01
  6. Step 6: Final answer
    x = 402,027.29

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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.