Home / 1,586,203.59-2,379,294.05-388,143.12

Finding the Fourth Proportional to 1,586,203.59, 2,379,294.05 and 388,143.12

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Solution

The fourth proportional to 1,586,203.59, 2,379,294.05 and 388,143.12 is: 582,211.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,203.59 : 2,379,294.05 = 388,143.12 : x
  2. Step 2: Convert to fraction form
    1,586,203.59/2,379,294.05 = 388,143.12/x
  3. Step 3: Cross multiply
    1,586,203.59x = 2,379,294.05 × 388,143.12
  4. Step 4: Simplify right side
    1,586,203.59x = 923,506,614,023.72
  5. Step 5: Solve for x
    x = 923,506,614,023.72/1,586,203.59
  6. Step 6: Final answer
    x = 582,211.91

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Double scale
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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.