Home / 623,995.56-861,114.06-352,121.22

Finding the Fourth Proportional to 623,995.56, 861,114.06 and 352,121.22

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Solution

The fourth proportional to 623,995.56, 861,114.06 and 352,121.22 is: 485,927.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,995.56 : 861,114.06 = 352,121.22 : x
  2. Step 2: Convert to fraction form
    623,995.56/861,114.06 = 352,121.22/x
  3. Step 3: Cross multiply
    623,995.56x = 861,114.06 × 352,121.22
  4. Step 4: Simplify right side
    623,995.56x = 303,216,533,366.35
  5. Step 5: Solve for x
    x = 303,216,533,366.35/623,995.56
  6. Step 6: Final answer
    x = 485,927.39

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Double scale
Find fourth proportional to 623,996.56, 861,115.44 and 352,122.22
Similar ratio
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1.5x scale

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.