Home / 893,357.31-1,232,999.17-511,384.10

Finding the Fourth Proportional to 893,357.31, 1,232,999.17 and 511,384.10

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Solution

The fourth proportional to 893,357.31, 1,232,999.17 and 511,384.10 is: 705,805.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,357.31 : 1,232,999.17 = 511,384.10 : x
  2. Step 2: Convert to fraction form
    893,357.31/1,232,999.17 = 511,384.10/x
  3. Step 3: Cross multiply
    893,357.31x = 1,232,999.17 × 511,384.10
  4. Step 4: Simplify right side
    893,357.31x = 630,536,162,129.28
  5. Step 5: Solve for x
    x = 630,536,162,129.28/893,357.31
  6. Step 6: Final answer
    x = 705,805.12

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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.