Home / 1,025,748.45-1,415,587.05-617,978.66

Finding the Fourth Proportional to 1,025,748.45, 1,415,587.05 and 617,978.66

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Solution

The fourth proportional to 1,025,748.45, 1,415,587.05 and 617,978.66 is: 852,843.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,748.45 : 1,415,587.05 = 617,978.66 : x
  2. Step 2: Convert to fraction form
    1,025,748.45/1,415,587.05 = 617,978.66/x
  3. Step 3: Cross multiply
    1,025,748.45x = 1,415,587.05 × 617,978.66
  4. Step 4: Simplify right side
    1,025,748.45x = 874,802,581,194.42
  5. Step 5: Solve for x
    x = 874,802,581,194.42/1,025,748.45
  6. Step 6: Final answer
    x = 852,843.19

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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.