Home / 911,724.02-1,258,116.22-503,822

Finding the Fourth Proportional to 911,724.02, 1,258,116.22 and 503,822

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Solution

The fourth proportional to 911,724.02, 1,258,116.22 and 503,822 is: 695,239.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,724.02 : 1,258,116.22 = 503,822 : x
  2. Step 2: Convert to fraction form
    911,724.02/1,258,116.22 = 503,822/x
  3. Step 3: Cross multiply
    911,724.02x = 1,258,116.22 × 503,822
  4. Step 4: Simplify right side
    911,724.02x = 633,866,630,192.84
  5. Step 5: Solve for x
    x = 633,866,630,192.84/911,724.02
  6. Step 6: Final answer
    x = 695,239.59

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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.