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Finding the Fourth Proportional to 940,572, 1,298,361.36 and 654,258.24

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Solution

The fourth proportional to 940,572, 1,298,361.36 and 654,258.24 is: 903,135.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,572 : 1,298,361.36 = 654,258.24 : x
  2. Step 2: Convert to fraction form
    940,572/1,298,361.36 = 654,258.24/x
  3. Step 3: Cross multiply
    940,572x = 1,298,361.36 × 654,258.24
  4. Step 4: Simplify right side
    940,572x = 849,463,618,277.61
  5. Step 5: Solve for x
    x = 849,463,618,277.61/940,572
  6. Step 6: Final answer
    x = 903,135.13

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Similar ratio
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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.