Home / 1,163,440.86-1,605,009.51-680,026.38

Finding the Fourth Proportional to 1,163,440.86, 1,605,009.51 and 680,026.38

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Solution

The fourth proportional to 1,163,440.86, 1,605,009.51 and 680,026.38 is: 938,121.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,440.86 : 1,605,009.51 = 680,026.38 : x
  2. Step 2: Convert to fraction form
    1,163,440.86/1,605,009.51 = 680,026.38/x
  3. Step 3: Cross multiply
    1,163,440.86x = 1,605,009.51 × 680,026.38
  4. Step 4: Simplify right side
    1,163,440.86x = 1,091,448,806,950.87
  5. Step 5: Solve for x
    x = 1,091,448,806,950.87/1,163,440.86
  6. Step 6: Final answer
    x = 938,121.43

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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.