Home / 1,591,415.14-2,387,099.23-393,337.58

Finding the Fourth Proportional to 1,591,415.14, 2,387,099.23 and 393,337.58

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Solution

The fourth proportional to 1,591,415.14, 2,387,099.23 and 393,337.58 is: 590,000.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,415.14 : 2,387,099.23 = 393,337.58 : x
  2. Step 2: Convert to fraction form
    1,591,415.14/2,387,099.23 = 393,337.58/x
  3. Step 3: Cross multiply
    1,591,415.14x = 2,387,099.23 × 393,337.58
  4. Step 4: Simplify right side
    1,591,415.14x = 938,935,834,348.06
  5. Step 5: Solve for x
    x = 938,935,834,348.06/1,591,415.14
  6. Step 6: Final answer
    x = 590,000.57

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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.