Home / 1,289,792.79-1,934,693.69-391,242.27

Finding the Fourth Proportional to 1,289,792.79, 1,934,693.69 and 391,242.27

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Solution

The fourth proportional to 1,289,792.79, 1,934,693.69 and 391,242.27 is: 586,864.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,792.79 : 1,934,693.69 = 391,242.27 : x
  2. Step 2: Convert to fraction form
    1,289,792.79/1,934,693.69 = 391,242.27/x
  3. Step 3: Cross multiply
    1,289,792.79x = 1,934,693.69 × 391,242.27
  4. Step 4: Simplify right side
    1,289,792.79x = 756,933,949,074.07
  5. Step 5: Solve for x
    x = 756,933,949,074.07/1,289,792.79
  6. Step 6: Final answer
    x = 586,864.77

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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.