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Finding the Fourth Proportional to 1,258,576.03, 1,736,846.85 and 714,723.13

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Solution

The fourth proportional to 1,258,576.03, 1,736,846.85 and 714,723.13 is: 986,324.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,576.03 : 1,736,846.85 = 714,723.13 : x
  2. Step 2: Convert to fraction form
    1,258,576.03/1,736,846.85 = 714,723.13/x
  3. Step 3: Cross multiply
    1,258,576.03x = 1,736,846.85 × 714,723.13
  4. Step 4: Simplify right side
    1,258,576.03x = 1,241,364,616,962.64
  5. Step 5: Solve for x
    x = 1,241,364,616,962.64/1,258,576.03
  6. Step 6: Final answer
    x = 986,324.69

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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.