Home / 749,046.84-1,033,684.56-409,515

Finding the Fourth Proportional to 749,046.84, 1,033,684.56 and 409,515

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Solution

The fourth proportional to 749,046.84, 1,033,684.56 and 409,515 is: 565,130.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,046.84 : 1,033,684.56 = 409,515 : x
  2. Step 2: Convert to fraction form
    749,046.84/1,033,684.56 = 409,515/x
  3. Step 3: Cross multiply
    749,046.84x = 1,033,684.56 × 409,515
  4. Step 4: Simplify right side
    749,046.84x = 423,309,332,588.40
  5. Step 5: Solve for x
    x = 423,309,332,588.40/749,046.84
  6. Step 6: Final answer
    x = 565,130.66

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Why These Related Problems?

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