Home / 705,084.48-1,057,490.88-199,641.60

Finding the Fourth Proportional to 705,084.48, 1,057,490.88 and 199,641.60

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Solution

The fourth proportional to 705,084.48, 1,057,490.88 and 199,641.60 is: 299,423.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,084.48 : 1,057,490.88 = 199,641.60 : x
  2. Step 2: Convert to fraction form
    705,084.48/1,057,490.88 = 199,641.60/x
  3. Step 3: Cross multiply
    705,084.48x = 1,057,490.88 × 199,641.60
  4. Step 4: Simplify right side
    705,084.48x = 211,119,171,268.61
  5. Step 5: Solve for x
    x = 211,119,171,268.61/705,084.48
  6. Step 6: Final answer
    x = 299,423.94

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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.