Home / 380,840.93-525,560.91-211,075.19

Finding the Fourth Proportional to 380,840.93, 525,560.91 and 211,075.19

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Solution

The fourth proportional to 380,840.93, 525,560.91 and 211,075.19 is: 291,284.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,840.93 : 525,560.91 = 211,075.19 : x
  2. Step 2: Convert to fraction form
    380,840.93/525,560.91 = 211,075.19/x
  3. Step 3: Cross multiply
    380,840.93x = 525,560.91 × 211,075.19
  4. Step 4: Simplify right side
    380,840.93x = 110,932,868,934.82
  5. Step 5: Solve for x
    x = 110,932,868,934.82/380,840.93
  6. Step 6: Final answer
    x = 291,284.00

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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.