Home / 592,479.78-817,621.66-320,547.80

Finding the Fourth Proportional to 592,479.78, 817,621.66 and 320,547.80

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Solution

The fourth proportional to 592,479.78, 817,621.66 and 320,547.80 is: 442,355.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,479.78 : 817,621.66 = 320,547.80 : x
  2. Step 2: Convert to fraction form
    592,479.78/817,621.66 = 320,547.80/x
  3. Step 3: Cross multiply
    592,479.78x = 817,621.66 × 320,547.80
  4. Step 4: Simplify right side
    592,479.78x = 262,086,824,345.35
  5. Step 5: Solve for x
    x = 262,086,824,345.35/592,479.78
  6. Step 6: Final answer
    x = 442,355.73

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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.