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Finding the Fourth Proportional to 966,612.78, 1,334,410.47 and 604,238.22

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Solution

The fourth proportional to 966,612.78, 1,334,410.47 and 604,238.22 is: 834,151.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,612.78 : 1,334,410.47 = 604,238.22 : x
  2. Step 2: Convert to fraction form
    966,612.78/1,334,410.47 = 604,238.22/x
  3. Step 3: Cross multiply
    966,612.78x = 1,334,410.47 × 604,238.22
  4. Step 4: Simplify right side
    966,612.78x = 806,301,807,142.16
  5. Step 5: Solve for x
    x = 806,301,807,142.16/966,612.78
  6. Step 6: Final answer
    x = 834,151.82

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Double scale
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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.