Home / 1,959,714.19-2,939,570.20-611,992.32

Finding the Fourth Proportional to 1,959,714.19, 2,939,570.20 and 611,992.32

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Solution

The fourth proportional to 1,959,714.19, 2,939,570.20 and 611,992.32 is: 917,988.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959,714.19 : 2,939,570.20 = 611,992.32 : x
  2. Step 2: Convert to fraction form
    1,959,714.19/2,939,570.20 = 611,992.32/x
  3. Step 3: Cross multiply
    1,959,714.19x = 2,939,570.20 × 611,992.32
  4. Step 4: Simplify right side
    1,959,714.19x = 1,798,994,386,500.86
  5. Step 5: Solve for x
    x = 1,798,994,386,500.86/1,959,714.19
  6. Step 6: Final answer
    x = 917,988.14

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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.