Home / 1,391,340.52-2,086,908.70-444,457

Finding the Fourth Proportional to 1,391,340.52, 2,086,908.70 and 444,457

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Solution

The fourth proportional to 1,391,340.52, 2,086,908.70 and 444,457 is: 666,652.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,340.52 : 2,086,908.70 = 444,457 : x
  2. Step 2: Convert to fraction form
    1,391,340.52/2,086,908.70 = 444,457/x
  3. Step 3: Cross multiply
    1,391,340.52x = 2,086,908.70 × 444,457
  4. Step 4: Simplify right side
    1,391,340.52x = 927,541,180,075.90
  5. Step 5: Solve for x
    x = 927,541,180,075.90/1,391,340.52
  6. Step 6: Final answer
    x = 666,652.89

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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.