Home / 411,127.12-616,681.08-189,511.12

Finding the Fourth Proportional to 411,127.12, 616,681.08 and 189,511.12

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Solution

The fourth proportional to 411,127.12, 616,681.08 and 189,511.12 is: 284,262.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,127.12 : 616,681.08 = 189,511.12 : x
  2. Step 2: Convert to fraction form
    411,127.12/616,681.08 = 189,511.12/x
  3. Step 3: Cross multiply
    411,127.12x = 616,681.08 × 189,511.12
  4. Step 4: Simplify right side
    411,127.12x = 116,867,922,153.61
  5. Step 5: Solve for x
    x = 116,867,922,153.61/411,127.12
  6. Step 6: Final answer
    x = 284,262.25

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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.