Home / 742,643.18-1,113,986.37-181,677.50

Finding the Fourth Proportional to 742,643.18, 1,113,986.37 and 181,677.50

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Solution

The fourth proportional to 742,643.18, 1,113,986.37 and 181,677.50 is: 272,521.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,643.18 : 1,113,986.37 = 181,677.50 : x
  2. Step 2: Convert to fraction form
    742,643.18/1,113,986.37 = 181,677.50/x
  3. Step 3: Cross multiply
    742,643.18x = 1,113,986.37 × 181,677.50
  4. Step 4: Simplify right side
    742,643.18x = 202,386,258,735.68
  5. Step 5: Solve for x
    x = 202,386,258,735.68/742,643.18
  6. Step 6: Final answer
    x = 272,521.53

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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.