Home / 528,464.22-729,232.47-313,567.26

Finding the Fourth Proportional to 528,464.22, 729,232.47 and 313,567.26

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Solution

The fourth proportional to 528,464.22, 729,232.47 and 313,567.26 is: 432,694.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,464.22 : 729,232.47 = 313,567.26 : x
  2. Step 2: Convert to fraction form
    528,464.22/729,232.47 = 313,567.26/x
  3. Step 3: Cross multiply
    528,464.22x = 729,232.47 × 313,567.26
  4. Step 4: Simplify right side
    528,464.22x = 228,663,427,520.93
  5. Step 5: Solve for x
    x = 228,663,427,520.93/528,464.22
  6. Step 6: Final answer
    x = 432,694.25

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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.