Home / 559,975.70-839,963.55-205,001.30

Finding the Fourth Proportional to 559,975.70, 839,963.55 and 205,001.30

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Solution

The fourth proportional to 559,975.70, 839,963.55 and 205,001.30 is: 307,501.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,975.70 : 839,963.55 = 205,001.30 : x
  2. Step 2: Convert to fraction form
    559,975.70/839,963.55 = 205,001.30/x
  3. Step 3: Cross multiply
    559,975.70x = 839,963.55 × 205,001.30
  4. Step 4: Simplify right side
    559,975.70x = 172,193,619,702.62
  5. Step 5: Solve for x
    x = 172,193,619,702.62/559,975.70
  6. Step 6: Final answer
    x = 307,501.95

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Half scale
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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.