Home / 1,311,831.32-1,967,747.34-1,012,748.48

Finding the Fourth Proportional to 1,311,831.32, 1,967,747.34 and 1,012,748.48

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Solution

The fourth proportional to 1,311,831.32, 1,967,747.34 and 1,012,748.48 is: 1,519,123.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,831.32 : 1,967,747.34 = 1,012,748.48 : x
  2. Step 2: Convert to fraction form
    1,311,831.32/1,967,747.34 = 1,012,748.48/x
  3. Step 3: Cross multiply
    1,311,831.32x = 1,967,747.34 × 1,012,748.48
  4. Step 4: Simplify right side
    1,311,831.32x = 1,992,833,127,609.04
  5. Step 5: Solve for x
    x = 1,992,833,127,609.04/1,311,831.32
  6. Step 6: Final answer
    x = 1,519,123.00

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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.