Home / 1,036,135.97-1,555,089.65-405,492.65

Finding the Fourth Proportional to 1,036,135.97, 1,555,089.65 and 405,492.65

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Solution

The fourth proportional to 1,036,135.97, 1,555,089.65 and 405,492.65 is: 608,585.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,135.97 : 1,555,089.65 = 405,492.65 : x
  2. Step 2: Convert to fraction form
    1,036,135.97/1,555,089.65 = 405,492.65/x
  3. Step 3: Cross multiply
    1,036,135.97x = 1,555,089.65 × 405,492.65
  4. Step 4: Simplify right side
    1,036,135.97x = 630,577,413,363.16
  5. Step 5: Solve for x
    x = 630,577,413,363.16/1,036,135.97
  6. Step 6: Final answer
    x = 608,585.59

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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.