Home / 1,257,735.40-1,735,831.62-714,047.20

Finding the Fourth Proportional to 1,257,735.40, 1,735,831.62 and 714,047.20

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Solution

The fourth proportional to 1,257,735.40, 1,735,831.62 and 714,047.20 is: 985,474.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,735.40 : 1,735,831.62 = 714,047.20 : x
  2. Step 2: Convert to fraction form
    1,257,735.40/1,735,831.62 = 714,047.20/x
  3. Step 3: Cross multiply
    1,257,735.40x = 1,735,831.62 × 714,047.20
  4. Step 4: Simplify right side
    1,257,735.40x = 1,239,465,703,592.89
  5. Step 5: Solve for x
    x = 1,239,465,703,592.89/1,257,735.40
  6. Step 6: Final answer
    x = 985,474.14

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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.