Home / 1,154,990.58-1,593,897.60-638,717.79

Finding the Fourth Proportional to 1,154,990.58, 1,593,897.60 and 638,717.79

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Solution

The fourth proportional to 1,154,990.58, 1,593,897.60 and 638,717.79 is: 881,436.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,990.58 : 1,593,897.60 = 638,717.79 : x
  2. Step 2: Convert to fraction form
    1,154,990.58/1,593,897.60 = 638,717.79/x
  3. Step 3: Cross multiply
    1,154,990.58x = 1,593,897.60 × 638,717.79
  4. Step 4: Simplify right side
    1,154,990.58x = 1,018,050,752,558.30
  5. Step 5: Solve for x
    x = 1,018,050,752,558.30/1,154,990.58
  6. Step 6: Final answer
    x = 881,436.41

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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.