Home / 938,535.84-1,294,491.42-616,128.30

Finding the Fourth Proportional to 938,535.84, 1,294,491.42 and 616,128.30

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Solution

The fourth proportional to 938,535.84, 1,294,491.42 and 616,128.30 is: 849,805.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,535.84 : 1,294,491.42 = 616,128.30 : x
  2. Step 2: Convert to fraction form
    938,535.84/1,294,491.42 = 616,128.30/x
  3. Step 3: Cross multiply
    938,535.84x = 1,294,491.42 × 616,128.30
  4. Step 4: Simplify right side
    938,535.84x = 797,572,797,969.19
  5. Step 5: Solve for x
    x = 797,572,797,969.19/938,535.84
  6. Step 6: Final answer
    x = 849,805.37

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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.