Home / 681,058.41-939,972.71-519,608.40

Finding the Fourth Proportional to 681,058.41, 939,972.71 and 519,608.40

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Solution

The fourth proportional to 681,058.41, 939,972.71 and 519,608.40 is: 717,145.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,058.41 : 939,972.71 = 519,608.40 : x
  2. Step 2: Convert to fraction form
    681,058.41/939,972.71 = 519,608.40/x
  3. Step 3: Cross multiply
    681,058.41x = 939,972.71 × 519,608.40
  4. Step 4: Simplify right side
    681,058.41x = 488,417,715,886.76
  5. Step 5: Solve for x
    x = 488,417,715,886.76/681,058.41
  6. Step 6: Final answer
    x = 717,145.12

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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.