Home / 742,581.50-1,113,894.12-181,616

Finding the Fourth Proportional to 742,581.50, 1,113,894.12 and 181,616

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Solution

The fourth proportional to 742,581.50, 1,113,894.12 and 181,616 is: 272,429.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,581.50 : 1,113,894.12 = 181,616 : x
  2. Step 2: Convert to fraction form
    742,581.50/1,113,894.12 = 181,616/x
  3. Step 3: Cross multiply
    742,581.50x = 1,113,894.12 × 181,616
  4. Step 4: Simplify right side
    742,581.50x = 202,300,994,497.92
  5. Step 5: Solve for x
    x = 202,300,994,497.92/742,581.50
  6. Step 6: Final answer
    x = 272,429.35

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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.