Home / 1,872,416.38-2,808,784.66-657,887.44

Finding the Fourth Proportional to 1,872,416.38, 2,808,784.66 and 657,887.44

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Solution

The fourth proportional to 1,872,416.38, 2,808,784.66 and 657,887.44 is: 986,887.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,416.38 : 2,808,784.66 = 657,887.44 : x
  2. Step 2: Convert to fraction form
    1,872,416.38/2,808,784.66 = 657,887.44/x
  3. Step 3: Cross multiply
    1,872,416.38x = 2,808,784.66 × 657,887.44
  4. Step 4: Simplify right side
    1,872,416.38x = 1,847,864,149,478.67
  5. Step 5: Solve for x
    x = 1,847,864,149,478.67/1,872,416.38
  6. Step 6: Final answer
    x = 986,887.41

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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.