Home / 411,280.85-567,569.09-239,240.09

Finding the Fourth Proportional to 411,280.85, 567,569.09 and 239,240.09

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Solution

The fourth proportional to 411,280.85, 567,569.09 and 239,240.09 is: 330,152.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,280.85 : 567,569.09 = 239,240.09 : x
  2. Step 2: Convert to fraction form
    411,280.85/567,569.09 = 239,240.09/x
  3. Step 3: Cross multiply
    411,280.85x = 567,569.09 × 239,240.09
  4. Step 4: Simplify right side
    411,280.85x = 135,785,280,172.82
  5. Step 5: Solve for x
    x = 135,785,280,172.82/411,280.85
  6. Step 6: Final answer
    x = 330,152.21

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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.