Home / 411,184.10-616,138.88-285,069.53

Finding the Fourth Proportional to 411,184.10, 616,138.88 and 285,069.53

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Solution

The fourth proportional to 411,184.10, 616,138.88 and 285,069.53 is: 427,162.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,184.10 : 616,138.88 = 285,069.53 : x
  2. Step 2: Convert to fraction form
    411,184.10/616,138.88 = 285,069.53/x
  3. Step 3: Cross multiply
    411,184.10x = 616,138.88 × 285,069.53
  4. Step 4: Simplify right side
    411,184.10x = 175,642,421,051.33
  5. Step 5: Solve for x
    x = 175,642,421,051.33/411,184.10
  6. Step 6: Final answer
    x = 427,162.48

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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.