Home / 1,578,084.51-2,177,712.96-889,750.29

Finding the Fourth Proportional to 1,578,084.51, 2,177,712.96 and 889,750.29

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Solution

The fourth proportional to 1,578,084.51, 2,177,712.96 and 889,750.29 is: 1,227,830.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,084.51 : 2,177,712.96 = 889,750.29 : x
  2. Step 2: Convert to fraction form
    1,578,084.51/2,177,712.96 = 889,750.29/x
  3. Step 3: Cross multiply
    1,578,084.51x = 2,177,712.96 × 889,750.29
  4. Step 4: Simplify right side
    1,578,084.51x = 1,937,620,737,696.76
  5. Step 5: Solve for x
    x = 1,937,620,737,696.76/1,578,084.51
  6. Step 6: Final answer
    x = 1,227,830.78

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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.