Home / 507,621.56-700,592.34-292,719.64

Finding the Fourth Proportional to 507,621.56, 700,592.34 and 292,719.64

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Solution

The fourth proportional to 507,621.56, 700,592.34 and 292,719.64 is: 403,996.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,621.56 : 700,592.34 = 292,719.64 : x
  2. Step 2: Convert to fraction form
    507,621.56/700,592.34 = 292,719.64/x
  3. Step 3: Cross multiply
    507,621.56x = 700,592.34 × 292,719.64
  4. Step 4: Simplify right side
    507,621.56x = 205,077,137,551.56
  5. Step 5: Solve for x
    x = 205,077,137,551.56/507,621.56
  6. Step 6: Final answer
    x = 403,996.11

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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.