Home / 871,153.22-1,304,980.21-397,186.58

Finding the Fourth Proportional to 871,153.22, 1,304,980.21 and 397,186.58

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Solution

The fourth proportional to 871,153.22, 1,304,980.21 and 397,186.58 is: 594,982.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,153.22 : 1,304,980.21 = 397,186.58 : x
  2. Step 2: Convert to fraction form
    871,153.22/1,304,980.21 = 397,186.58/x
  3. Step 3: Cross multiply
    871,153.22x = 1,304,980.21 × 397,186.58
  4. Step 4: Simplify right side
    871,153.22x = 518,320,626,577.58
  5. Step 5: Solve for x
    x = 518,320,626,577.58/871,153.22
  6. Step 6: Final answer
    x = 594,982.16

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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.