Home / 556,835.63-768,036.15-511,042.83

Finding the Fourth Proportional to 556,835.63, 768,036.15 and 511,042.83

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Solution

The fourth proportional to 556,835.63, 768,036.15 and 511,042.83 is: 704,874.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,835.63 : 768,036.15 = 511,042.83 : x
  2. Step 2: Convert to fraction form
    556,835.63/768,036.15 = 511,042.83/x
  3. Step 3: Cross multiply
    556,835.63x = 768,036.15 × 511,042.83
  4. Step 4: Simplify right side
    556,835.63x = 392,499,367,638.31
  5. Step 5: Solve for x
    x = 392,499,367,638.31/556,835.63
  6. Step 6: Final answer
    x = 704,874.74

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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.