Home / 1,154,778.86-1,593,455.73-638,463

Finding the Fourth Proportional to 1,154,778.86, 1,593,455.73 and 638,463

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Solution

The fourth proportional to 1,154,778.86, 1,593,455.73 and 638,463 is: 881,002.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,778.86 : 1,593,455.73 = 638,463 : x
  2. Step 2: Convert to fraction form
    1,154,778.86/1,593,455.73 = 638,463/x
  3. Step 3: Cross multiply
    1,154,778.86x = 1,593,455.73 × 638,463
  4. Step 4: Simplify right side
    1,154,778.86x = 1,017,362,525,742.99
  5. Step 5: Solve for x
    x = 1,017,362,525,742.99/1,154,778.86
  6. Step 6: Final answer
    x = 881,002.04

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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.