Home / 1,186,514.88-1,779,757.44-287,964

Finding the Fourth Proportional to 1,186,514.88, 1,779,757.44 and 287,964

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Solution

The fourth proportional to 1,186,514.88, 1,779,757.44 and 287,964 is: 431,942.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,514.88 : 1,779,757.44 = 287,964 : x
  2. Step 2: Convert to fraction form
    1,186,514.88/1,779,757.44 = 287,964/x
  3. Step 3: Cross multiply
    1,186,514.88x = 1,779,757.44 × 287,964
  4. Step 4: Simplify right side
    1,186,514.88x = 512,506,071,452.16
  5. Step 5: Solve for x
    x = 512,506,071,452.16/1,186,514.88
  6. Step 6: Final answer
    x = 431,942.39

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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.