Home / 520,115.04-780,397.94-183,396.22

Finding the Fourth Proportional to 520,115.04, 780,397.94 and 183,396.22

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Solution

The fourth proportional to 520,115.04, 780,397.94 and 183,396.22 is: 275,173.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,115.04 : 780,397.94 = 183,396.22 : x
  2. Step 2: Convert to fraction form
    520,115.04/780,397.94 = 183,396.22/x
  3. Step 3: Cross multiply
    520,115.04x = 780,397.94 × 183,396.22
  4. Step 4: Simplify right side
    520,115.04x = 143,122,030,799.28
  5. Step 5: Solve for x
    x = 143,122,030,799.28/520,115.04
  6. Step 6: Final answer
    x = 275,173.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.