Home / 917,792.91-1,376,216.66-411,920.22

Finding the Fourth Proportional to 917,792.91, 1,376,216.66 and 411,920.22

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Solution

The fourth proportional to 917,792.91, 1,376,216.66 and 411,920.22 is: 617,668.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,792.91 : 1,376,216.66 = 411,920.22 : x
  2. Step 2: Convert to fraction form
    917,792.91/1,376,216.66 = 411,920.22/x
  3. Step 3: Cross multiply
    917,792.91x = 1,376,216.66 × 411,920.22
  4. Step 4: Simplify right side
    917,792.91x = 566,891,467,295.26
  5. Step 5: Solve for x
    x = 566,891,467,295.26/917,792.91
  6. Step 6: Final answer
    x = 617,668.17

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1.5x scale

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.