Home / 957,056.52-1,320,831.08-714,918.72

Finding the Fourth Proportional to 957,056.52, 1,320,831.08 and 714,918.72

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Solution

The fourth proportional to 957,056.52, 1,320,831.08 and 714,918.72 is: 986,657.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,056.52 : 1,320,831.08 = 714,918.72 : x
  2. Step 2: Convert to fraction form
    957,056.52/1,320,831.08 = 714,918.72/x
  3. Step 3: Cross multiply
    957,056.52x = 1,320,831.08 × 714,918.72
  4. Step 4: Simplify right side
    957,056.52x = 944,286,865,049.82
  5. Step 5: Solve for x
    x = 944,286,865,049.82/957,056.52
  6. Step 6: Final answer
    x = 986,657.37

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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.