Home / 909,972.72-1,256,165-587,839.76

Finding the Fourth Proportional to 909,972.72, 1,256,165 and 587,839.76

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Solution

The fourth proportional to 909,972.72, 1,256,165 and 587,839.76 is: 811,478.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,972.72 : 1,256,165 = 587,839.76 : x
  2. Step 2: Convert to fraction form
    909,972.72/1,256,165 = 587,839.76/x
  3. Step 3: Cross multiply
    909,972.72x = 1,256,165 × 587,839.76
  4. Step 4: Simplify right side
    909,972.72x = 738,423,732,120.40
  5. Step 5: Solve for x
    x = 738,423,732,120.40/909,972.72
  6. Step 6: Final answer
    x = 811,478.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.