Home / 783,952.43-1,081,875.49-461,603.21

Finding the Fourth Proportional to 783,952.43, 1,081,875.49 and 461,603.21

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Solution

The fourth proportional to 783,952.43, 1,081,875.49 and 461,603.21 is: 637,024.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,952.43 : 1,081,875.49 = 461,603.21 : x
  2. Step 2: Convert to fraction form
    783,952.43/1,081,875.49 = 461,603.21/x
  3. Step 3: Cross multiply
    783,952.43x = 1,081,875.49 × 461,603.21
  4. Step 4: Simplify right side
    783,952.43x = 499,397,192,440.94
  5. Step 5: Solve for x
    x = 499,397,192,440.94/783,952.43
  6. Step 6: Final answer
    x = 637,024.87

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1.5x scale

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.