Home / 492,605.02-739,199.36-208,280.04

Finding the Fourth Proportional to 492,605.02, 739,199.36 and 208,280.04

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Solution

The fourth proportional to 492,605.02, 739,199.36 and 208,280.04 is: 312,543.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,605.02 : 739,199.36 = 208,280.04 : x
  2. Step 2: Convert to fraction form
    492,605.02/739,199.36 = 208,280.04/x
  3. Step 3: Cross multiply
    492,605.02x = 739,199.36 × 208,280.04
  4. Step 4: Simplify right side
    492,605.02x = 153,960,472,268.77
  5. Step 5: Solve for x
    x = 153,960,472,268.77/492,605.02
  6. Step 6: Final answer
    x = 312,543.45

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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.