Home / 1,005,215.94-1,387,399.70-597,239.19

Finding the Fourth Proportional to 1,005,215.94, 1,387,399.70 and 597,239.19

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Solution

The fourth proportional to 1,005,215.94, 1,387,399.70 and 597,239.19 is: 824,309.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,215.94 : 1,387,399.70 = 597,239.19 : x
  2. Step 2: Convert to fraction form
    1,005,215.94/1,387,399.70 = 597,239.19/x
  3. Step 3: Cross multiply
    1,005,215.94x = 1,387,399.70 × 597,239.19
  4. Step 4: Simplify right side
    1,005,215.94x = 828,609,479,730.09
  5. Step 5: Solve for x
    x = 828,609,479,730.09/1,005,215.94
  6. Step 6: Final answer
    x = 824,309.93

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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.