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Finding the Fourth Proportional to 1,090,342, 1,504,510.48 and 654,667.32

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Solution

The fourth proportional to 1,090,342, 1,504,510.48 and 654,667.32 is: 903,343.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,342 : 1,504,510.48 = 654,667.32 : x
  2. Step 2: Convert to fraction form
    1,090,342/1,504,510.48 = 654,667.32/x
  3. Step 3: Cross multiply
    1,090,342x = 1,504,510.48 × 654,667.32
  4. Step 4: Simplify right side
    1,090,342x = 984,953,843,853.51
  5. Step 5: Solve for x
    x = 984,953,843,853.51/1,090,342
  6. Step 6: Final answer
    x = 903,343.95

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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.