Home / 556,664.40-834,632.10-219,501.90

Finding the Fourth Proportional to 556,664.40, 834,632.10 and 219,501.90

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Solution

The fourth proportional to 556,664.40, 834,632.10 and 219,501.90 is: 329,109.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,664.40 : 834,632.10 = 219,501.90 : x
  2. Step 2: Convert to fraction form
    556,664.40/834,632.10 = 219,501.90/x
  3. Step 3: Cross multiply
    556,664.40x = 834,632.10 × 219,501.90
  4. Step 4: Simplify right side
    556,664.40x = 183,203,331,750.99
  5. Step 5: Solve for x
    x = 183,203,331,750.99/556,664.40
  6. Step 6: Final answer
    x = 329,109.12

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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.