Home / 1,154,869.76-1,593,655.62-638,593.76

Finding the Fourth Proportional to 1,154,869.76, 1,593,655.62 and 638,593.76

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Solution

The fourth proportional to 1,154,869.76, 1,593,655.62 and 638,593.76 is: 881,223.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,869.76 : 1,593,655.62 = 638,593.76 : x
  2. Step 2: Convert to fraction form
    1,154,869.76/1,593,655.62 = 638,593.76/x
  3. Step 3: Cross multiply
    1,154,869.76x = 1,593,655.62 × 638,593.76
  4. Step 4: Simplify right side
    1,154,869.76x = 1,017,698,534,520.93
  5. Step 5: Solve for x
    x = 1,017,698,534,520.93/1,154,869.76
  6. Step 6: Final answer
    x = 881,223.64

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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.