Home / 528,746.57-729,674.54-293,004.38

Finding the Fourth Proportional to 528,746.57, 729,674.54 and 293,004.38

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Solution

The fourth proportional to 528,746.57, 729,674.54 and 293,004.38 is: 404,348.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,746.57 : 729,674.54 = 293,004.38 : x
  2. Step 2: Convert to fraction form
    528,746.57/729,674.54 = 293,004.38/x
  3. Step 3: Cross multiply
    528,746.57x = 729,674.54 × 293,004.38
  4. Step 4: Simplify right side
    528,746.57x = 213,797,831,081.09
  5. Step 5: Solve for x
    x = 213,797,831,081.09/528,746.57
  6. Step 6: Final answer
    x = 404,348.41

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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.