Home / 922,979.86-1,273,704.80-535,831.20

Finding the Fourth Proportional to 922,979.86, 1,273,704.80 and 535,831.20

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Solution

The fourth proportional to 922,979.86, 1,273,704.80 and 535,831.20 is: 739,442.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,979.86 : 1,273,704.80 = 535,831.20 : x
  2. Step 2: Convert to fraction form
    922,979.86/1,273,704.80 = 535,831.20/x
  3. Step 3: Cross multiply
    922,979.86x = 1,273,704.80 × 535,831.20
  4. Step 4: Simplify right side
    922,979.86x = 682,490,768,750.60
  5. Step 5: Solve for x
    x = 682,490,768,750.60/922,979.86
  6. Step 6: Final answer
    x = 739,442.76

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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.