Home / 587,208.30-880,812.45-272,280.30

Finding the Fourth Proportional to 587,208.30, 880,812.45 and 272,280.30

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Solution

The fourth proportional to 587,208.30, 880,812.45 and 272,280.30 is: 408,420.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,208.30 : 880,812.45 = 272,280.30 : x
  2. Step 2: Convert to fraction form
    587,208.30/880,812.45 = 272,280.30/x
  3. Step 3: Cross multiply
    587,208.30x = 880,812.45 × 272,280.30
  4. Step 4: Simplify right side
    587,208.30x = 239,827,878,129.74
  5. Step 5: Solve for x
    x = 239,827,878,129.74/587,208.30
  6. Step 6: Final answer
    x = 408,420.45

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Double scale
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Similar ratio
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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.