Home / 1,319,856.72-1,821,403.44-716,244.72

Finding the Fourth Proportional to 1,319,856.72, 1,821,403.44 and 716,244.72

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Solution

The fourth proportional to 1,319,856.72, 1,821,403.44 and 716,244.72 is: 988,418.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,856.72 : 1,821,403.44 = 716,244.72 : x
  2. Step 2: Convert to fraction form
    1,319,856.72/1,821,403.44 = 716,244.72/x
  3. Step 3: Cross multiply
    1,319,856.72x = 1,821,403.44 × 716,244.72
  4. Step 4: Simplify right side
    1,319,856.72x = 1,304,570,596,889.84
  5. Step 5: Solve for x
    x = 1,304,570,596,889.84/1,319,856.72
  6. Step 6: Final answer
    x = 988,418.35

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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.