Home / 938,320.92-1,294,885.08-508,600.56

Finding the Fourth Proportional to 938,320.92, 1,294,885.08 and 508,600.56

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Solution

The fourth proportional to 938,320.92, 1,294,885.08 and 508,600.56 is: 701,869.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,320.92 : 1,294,885.08 = 508,600.56 : x
  2. Step 2: Convert to fraction form
    938,320.92/1,294,885.08 = 508,600.56/x
  3. Step 3: Cross multiply
    938,320.92x = 1,294,885.08 × 508,600.56
  4. Step 4: Simplify right side
    938,320.92x = 658,579,276,823.65
  5. Step 5: Solve for x
    x = 658,579,276,823.65/938,320.92
  6. Step 6: Final answer
    x = 701,869.97

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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.