Home / 1,154,990.08-1,593,896.91-638,717.29

Finding the Fourth Proportional to 1,154,990.08, 1,593,896.91 and 638,717.29

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Solution

The fourth proportional to 1,154,990.08, 1,593,896.91 and 638,717.29 is: 881,435.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,990.08 : 1,593,896.91 = 638,717.29 : x
  2. Step 2: Convert to fraction form
    1,154,990.08/1,593,896.91 = 638,717.29/x
  3. Step 3: Cross multiply
    1,154,990.08x = 1,593,896.91 × 638,717.29
  4. Step 4: Simplify right side
    1,154,990.08x = 1,018,049,510,909.83
  5. Step 5: Solve for x
    x = 1,018,049,510,909.83/1,154,990.08
  6. Step 6: Final answer
    x = 881,435.72

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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.