Home / 896,398.08-1,236,637.44-641,656.32

Finding the Fourth Proportional to 896,398.08, 1,236,637.44 and 641,656.32

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Solution

The fourth proportional to 896,398.08, 1,236,637.44 and 641,656.32 is: 885,205.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,398.08 : 1,236,637.44 = 641,656.32 : x
  2. Step 2: Convert to fraction form
    896,398.08/1,236,637.44 = 641,656.32/x
  3. Step 3: Cross multiply
    896,398.08x = 1,236,637.44 × 641,656.32
  4. Step 4: Simplify right side
    896,398.08x = 793,496,228,924.62
  5. Step 5: Solve for x
    x = 793,496,228,924.62/896,398.08
  6. Step 6: Final answer
    x = 885,205.19

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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.