Home / 990,365.90-1,366,710.52-582,484.92

Finding the Fourth Proportional to 990,365.90, 1,366,710.52 and 582,484.92

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Solution

The fourth proportional to 990,365.90, 1,366,710.52 and 582,484.92 is: 803,832.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,365.90 : 1,366,710.52 = 582,484.92 : x
  2. Step 2: Convert to fraction form
    990,365.90/1,366,710.52 = 582,484.92/x
  3. Step 3: Cross multiply
    990,365.90x = 1,366,710.52 × 582,484.92
  4. Step 4: Simplify right side
    990,365.90x = 796,088,267,905.36
  5. Step 5: Solve for x
    x = 796,088,267,905.36/990,365.90
  6. Step 6: Final answer
    x = 803,832.47

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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.