Home / 1,463,784.69-2,195,455.10-398,911.71

Finding the Fourth Proportional to 1,463,784.69, 2,195,455.10 and 398,911.71

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Solution

The fourth proportional to 1,463,784.69, 2,195,455.10 and 398,911.71 is: 598,307.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463,784.69 : 2,195,455.10 = 398,911.71 : x
  2. Step 2: Convert to fraction form
    1,463,784.69/2,195,455.10 = 398,911.71/x
  3. Step 3: Cross multiply
    1,463,784.69x = 2,195,455.10 × 398,911.71
  4. Step 4: Simplify right side
    1,463,784.69x = 875,792,746,174.66
  5. Step 5: Solve for x
    x = 875,792,746,174.66/1,463,784.69
  6. Step 6: Final answer
    x = 598,307.08

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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.