Home / 480,280.12-720,420.18-184,723

Finding the Fourth Proportional to 480,280.12, 720,420.18 and 184,723

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Solution

The fourth proportional to 480,280.12, 720,420.18 and 184,723 is: 277,084.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,280.12 : 720,420.18 = 184,723 : x
  2. Step 2: Convert to fraction form
    480,280.12/720,420.18 = 184,723/x
  3. Step 3: Cross multiply
    480,280.12x = 720,420.18 × 184,723
  4. Step 4: Simplify right side
    480,280.12x = 133,078,176,910.14
  5. Step 5: Solve for x
    x = 133,078,176,910.14/480,280.12
  6. Step 6: Final answer
    x = 277,084.50

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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.