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Finding the Fourth Proportional to 1,258,575.03, 1,736,845.47 and 714,722.13

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Solution

The fourth proportional to 1,258,575.03, 1,736,845.47 and 714,722.13 is: 986,323.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,575.03 : 1,736,845.47 = 714,722.13 : x
  2. Step 2: Convert to fraction form
    1,258,575.03/1,736,845.47 = 714,722.13/x
  3. Step 3: Cross multiply
    1,258,575.03x = 1,736,845.47 × 714,722.13
  4. Step 4: Simplify right side
    1,258,575.03x = 1,241,361,893,799.25
  5. Step 5: Solve for x
    x = 1,241,361,893,799.25/1,258,575.03
  6. Step 6: Final answer
    x = 986,323.31

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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.