Home / 1,416,514.24-1,954,740-771,921.28

Finding the Fourth Proportional to 1,416,514.24, 1,954,740 and 771,921.28

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Solution

The fourth proportional to 1,416,514.24, 1,954,740 and 771,921.28 is: 1,065,224.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,514.24 : 1,954,740 = 771,921.28 : x
  2. Step 2: Convert to fraction form
    1,416,514.24/1,954,740 = 771,921.28/x
  3. Step 3: Cross multiply
    1,416,514.24x = 1,954,740 × 771,921.28
  4. Step 4: Simplify right side
    1,416,514.24x = 1,508,905,402,867.20
  5. Step 5: Solve for x
    x = 1,508,905,402,867.20/1,416,514.24
  6. Step 6: Final answer
    x = 1,065,224.31

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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.