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Finding the Fourth Proportional to 1,258,652.82, 1,736,880.30 and 714,716.76

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Solution

The fourth proportional to 1,258,652.82, 1,736,880.30 and 714,716.76 is: 986,274.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,652.82 : 1,736,880.30 = 714,716.76 : x
  2. Step 2: Convert to fraction form
    1,258,652.82/1,736,880.30 = 714,716.76/x
  3. Step 3: Cross multiply
    1,258,652.82x = 1,736,880.30 × 714,716.76
  4. Step 4: Simplify right side
    1,258,652.82x = 1,241,377,460,523.83
  5. Step 5: Solve for x
    x = 1,241,377,460,523.83/1,258,652.82
  6. Step 6: Final answer
    x = 986,274.72

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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.