Home / 681,859.48-940,972.32-375,946.84

Finding the Fourth Proportional to 681,859.48, 940,972.32 and 375,946.84

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Solution

The fourth proportional to 681,859.48, 940,972.32 and 375,946.84 is: 518,810.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,859.48 : 940,972.32 = 375,946.84 : x
  2. Step 2: Convert to fraction form
    681,859.48/940,972.32 = 375,946.84/x
  3. Step 3: Cross multiply
    681,859.48x = 940,972.32 × 375,946.84
  4. Step 4: Simplify right side
    681,859.48x = 353,755,570,231.47
  5. Step 5: Solve for x
    x = 353,755,570,231.47/681,859.48
  6. Step 6: Final answer
    x = 518,810.08

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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.