Home / 528,619.65-729,317.57-337,744.77

Finding the Fourth Proportional to 528,619.65, 729,317.57 and 337,744.77

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Solution

The fourth proportional to 528,619.65, 729,317.57 and 337,744.77 is: 465,974.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,619.65 : 729,317.57 = 337,744.77 : x
  2. Step 2: Convert to fraction form
    528,619.65/729,317.57 = 337,744.77/x
  3. Step 3: Cross multiply
    528,619.65x = 729,317.57 × 337,744.77
  4. Step 4: Simplify right side
    528,619.65x = 246,323,193,247.89
  5. Step 5: Solve for x
    x = 246,323,193,247.89/528,619.65
  6. Step 6: Final answer
    x = 465,974.34

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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.