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Finding the Fourth Proportional to 1,691,718, 2,334,355.06 and 966,612.68

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Solution

The fourth proportional to 1,691,718, 2,334,355.06 and 966,612.68 is: 1,333,802.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,718 : 2,334,355.06 = 966,612.68 : x
  2. Step 2: Convert to fraction form
    1,691,718/2,334,355.06 = 966,612.68/x
  3. Step 3: Cross multiply
    1,691,718x = 2,334,355.06 × 966,612.68
  4. Step 4: Simplify right side
    1,691,718x = 2,256,417,200,618.16
  5. Step 5: Solve for x
    x = 2,256,417,200,618.16/1,691,718
  6. Step 6: Final answer
    x = 1,333,802.21

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1.5x scale

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.