Home / 742,493.40-1,112,427.90-695,254.20

Finding the Fourth Proportional to 742,493.40, 1,112,427.90 and 695,254.20

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Solution

The fourth proportional to 742,493.40, 1,112,427.90 and 695,254.20 is: 1,041,652.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,493.40 : 1,112,427.90 = 695,254.20 : x
  2. Step 2: Convert to fraction form
    742,493.40/1,112,427.90 = 695,254.20/x
  3. Step 3: Cross multiply
    742,493.40x = 1,112,427.90 × 695,254.20
  4. Step 4: Simplify right side
    742,493.40x = 773,420,169,672.18
  5. Step 5: Solve for x
    x = 773,420,169,672.18/742,493.40
  6. Step 6: Final answer
    x = 1,041,652.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.