Home / 752,838.48-1,129,404.60-220,368.24

Finding the Fourth Proportional to 752,838.48, 1,129,404.60 and 220,368.24

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Solution

The fourth proportional to 752,838.48, 1,129,404.60 and 220,368.24 is: 330,595.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,838.48 : 1,129,404.60 = 220,368.24 : x
  2. Step 2: Convert to fraction form
    752,838.48/1,129,404.60 = 220,368.24/x
  3. Step 3: Cross multiply
    752,838.48x = 1,129,404.60 × 220,368.24
  4. Step 4: Simplify right side
    752,838.48x = 248,884,903,949.90
  5. Step 5: Solve for x
    x = 248,884,903,949.90/752,838.48
  6. Step 6: Final answer
    x = 330,595.35

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1.5x scale

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.