Home / 1,057,383.96-1,586,386.98-425,972.76

Finding the Fourth Proportional to 1,057,383.96, 1,586,386.98 and 425,972.76

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Solution

The fourth proportional to 1,057,383.96, 1,586,386.98 and 425,972.76 is: 639,084.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,383.96 : 1,586,386.98 = 425,972.76 : x
  2. Step 2: Convert to fraction form
    1,057,383.96/1,586,386.98 = 425,972.76/x
  3. Step 3: Cross multiply
    1,057,383.96x = 1,586,386.98 × 425,972.76
  4. Step 4: Simplify right side
    1,057,383.96x = 675,757,640,298.67
  5. Step 5: Solve for x
    x = 675,757,640,298.67/1,057,383.96
  6. Step 6: Final answer
    x = 639,084.44

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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.