Home / 1,020,024-1,530,035.28-485,926.56

Finding the Fourth Proportional to 1,020,024, 1,530,035.28 and 485,926.56

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Solution

The fourth proportional to 1,020,024, 1,530,035.28 and 485,926.56 is: 728,889.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,024 : 1,530,035.28 = 485,926.56 : x
  2. Step 2: Convert to fraction form
    1,020,024/1,530,035.28 = 485,926.56/x
  3. Step 3: Cross multiply
    1,020,024x = 1,530,035.28 × 485,926.56
  4. Step 4: Simplify right side
    1,020,024x = 743,484,780,289.04
  5. Step 5: Solve for x
    x = 743,484,780,289.04/1,020,024
  6. Step 6: Final answer
    x = 728,889.50

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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.