Home / 807,742.32-1,114,874.36-502,049.58

Finding the Fourth Proportional to 807,742.32, 1,114,874.36 and 502,049.58

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Solution

The fourth proportional to 807,742.32, 1,114,874.36 and 502,049.58 is: 692,946.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,742.32 : 1,114,874.36 = 502,049.58 : x
  2. Step 2: Convert to fraction form
    807,742.32/1,114,874.36 = 502,049.58/x
  3. Step 3: Cross multiply
    807,742.32x = 1,114,874.36 × 502,049.58
  4. Step 4: Simplify right side
    807,742.32x = 559,722,201,680.52
  5. Step 5: Solve for x
    x = 559,722,201,680.52/807,742.32
  6. Step 6: Final answer
    x = 692,946.49

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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.