Home / 710,842.50-1,066,432.23-212,219.46

Finding the Fourth Proportional to 710,842.50, 1,066,432.23 and 212,219.46

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Solution

The fourth proportional to 710,842.50, 1,066,432.23 and 212,219.46 is: 318,379.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,842.50 : 1,066,432.23 = 212,219.46 : x
  2. Step 2: Convert to fraction form
    710,842.50/1,066,432.23 = 212,219.46/x
  3. Step 3: Cross multiply
    710,842.50x = 1,066,432.23 × 212,219.46
  4. Step 4: Simplify right side
    710,842.50x = 226,317,671,977.20
  5. Step 5: Solve for x
    x = 226,317,671,977.20/710,842.50
  6. Step 6: Final answer
    x = 318,379.49

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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.