Home / 700,100.28-1,050,159.06-220,312.44

Finding the Fourth Proportional to 700,100.28, 1,050,159.06 and 220,312.44

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Solution

The fourth proportional to 700,100.28, 1,050,159.06 and 220,312.44 is: 330,471.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,100.28 : 1,050,159.06 = 220,312.44 : x
  2. Step 2: Convert to fraction form
    700,100.28/1,050,159.06 = 220,312.44/x
  3. Step 3: Cross multiply
    700,100.28x = 1,050,159.06 × 220,312.44
  4. Step 4: Simplify right side
    700,100.28x = 231,363,104,896.71
  5. Step 5: Solve for x
    x = 231,363,104,896.71/700,100.28
  6. Step 6: Final answer
    x = 330,471.38

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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.