Home / 1,574,359.90-2,361,831.45-509,436.70

Finding the Fourth Proportional to 1,574,359.90, 2,361,831.45 and 509,436.70

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Solution

The fourth proportional to 1,574,359.90, 2,361,831.45 and 509,436.70 is: 764,249.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,359.90 : 2,361,831.45 = 509,436.70 : x
  2. Step 2: Convert to fraction form
    1,574,359.90/2,361,831.45 = 509,436.70/x
  3. Step 3: Cross multiply
    1,574,359.90x = 2,361,831.45 × 509,436.70
  4. Step 4: Simplify right side
    1,574,359.90x = 1,203,203,619,844.22
  5. Step 5: Solve for x
    x = 1,203,203,619,844.22/1,574,359.90
  6. Step 6: Final answer
    x = 764,249.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.