Home / 858,522.78-1,184,766.12-536,419.80

Finding the Fourth Proportional to 858,522.78, 1,184,766.12 and 536,419.80

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Solution

The fourth proportional to 858,522.78, 1,184,766.12 and 536,419.80 is: 740,262.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,522.78 : 1,184,766.12 = 536,419.80 : x
  2. Step 2: Convert to fraction form
    858,522.78/1,184,766.12 = 536,419.80/x
  3. Step 3: Cross multiply
    858,522.78x = 1,184,766.12 × 536,419.80
  4. Step 4: Simplify right side
    858,522.78x = 635,532,005,137.18
  5. Step 5: Solve for x
    x = 635,532,005,137.18/858,522.78
  6. Step 6: Final answer
    x = 740,262.25

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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.