Home / 1,258,173.28-1,736,328.28-714,359.73

Finding the Fourth Proportional to 1,258,173.28, 1,736,328.28 and 714,359.73

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Solution

The fourth proportional to 1,258,173.28, 1,736,328.28 and 714,359.73 is: 985,844.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,173.28 : 1,736,328.28 = 714,359.73 : x
  2. Step 2: Convert to fraction form
    1,258,173.28/1,736,328.28 = 714,359.73/x
  3. Step 3: Cross multiply
    1,258,173.28x = 1,736,328.28 × 714,359.73
  4. Step 4: Simplify right side
    1,258,173.28x = 1,240,363,001,292.16
  5. Step 5: Solve for x
    x = 1,240,363,001,292.16/1,258,173.28
  6. Step 6: Final answer
    x = 985,844.34

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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.