Home / 918,920.48-1,267,924.32-536,873.44

Finding the Fourth Proportional to 918,920.48, 1,267,924.32 and 536,873.44

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Solution

The fourth proportional to 918,920.48, 1,267,924.32 and 536,873.44 is: 740,776.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,920.48 : 1,267,924.32 = 536,873.44 : x
  2. Step 2: Convert to fraction form
    918,920.48/1,267,924.32 = 536,873.44/x
  3. Step 3: Cross multiply
    918,920.48x = 1,267,924.32 × 536,873.44
  4. Step 4: Simplify right side
    918,920.48x = 680,714,891,338.06
  5. Step 5: Solve for x
    x = 680,714,891,338.06/918,920.48
  6. Step 6: Final answer
    x = 740,776.71

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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.