Home / 525,868.19-726,924-469,070.43

Finding the Fourth Proportional to 525,868.19, 726,924 and 469,070.43

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Solution

The fourth proportional to 525,868.19, 726,924 and 469,070.43 is: 648,410.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,868.19 : 726,924 = 469,070.43 : x
  2. Step 2: Convert to fraction form
    525,868.19/726,924 = 469,070.43/x
  3. Step 3: Cross multiply
    525,868.19x = 726,924 × 469,070.43
  4. Step 4: Simplify right side
    525,868.19x = 340,978,553,257.32
  5. Step 5: Solve for x
    x = 340,978,553,257.32/525,868.19
  6. Step 6: Final answer
    x = 648,410.69

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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.