Home / 1,144,154.76-1,716,509.61-345,388.62

Finding the Fourth Proportional to 1,144,154.76, 1,716,509.61 and 345,388.62

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Solution

The fourth proportional to 1,144,154.76, 1,716,509.61 and 345,388.62 is: 518,166.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,154.76 : 1,716,509.61 = 345,388.62 : x
  2. Step 2: Convert to fraction form
    1,144,154.76/1,716,509.61 = 345,388.62/x
  3. Step 3: Cross multiply
    1,144,154.76x = 1,716,509.61 × 345,388.62
  4. Step 4: Simplify right side
    1,144,154.76x = 592,862,885,414.64
  5. Step 5: Solve for x
    x = 592,862,885,414.64/1,144,154.76
  6. Step 6: Final answer
    x = 518,166.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.