Home / 1,154,995.58-1,593,904.50-638,722.80

Finding the Fourth Proportional to 1,154,995.58, 1,593,904.50 and 638,722.80

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Solution

The fourth proportional to 1,154,995.58, 1,593,904.50 and 638,722.80 is: 881,443.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,995.58 : 1,593,904.50 = 638,722.80 : x
  2. Step 2: Convert to fraction form
    1,154,995.58/1,593,904.50 = 638,722.80/x
  3. Step 3: Cross multiply
    1,154,995.58x = 1,593,904.50 × 638,722.80
  4. Step 4: Simplify right side
    1,154,995.58x = 1,018,063,145,172.60
  5. Step 5: Solve for x
    x = 1,018,063,145,172.60/1,154,995.58
  6. Step 6: Final answer
    x = 881,443.33

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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.