Home / 783,529.84-1,081,502.24-511,640

Finding the Fourth Proportional to 783,529.84, 1,081,502.24 and 511,640

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Solution

The fourth proportional to 783,529.84, 1,081,502.24 and 511,640 is: 706,214.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,529.84 : 1,081,502.24 = 511,640 : x
  2. Step 2: Convert to fraction form
    783,529.84/1,081,502.24 = 511,640/x
  3. Step 3: Cross multiply
    783,529.84x = 1,081,502.24 × 511,640
  4. Step 4: Simplify right side
    783,529.84x = 553,339,806,073.60
  5. Step 5: Solve for x
    x = 553,339,806,073.60/783,529.84
  6. Step 6: Final answer
    x = 706,214.08

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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.