Home / 1,000,629.40-1,501,224.71-402,010.92

Finding the Fourth Proportional to 1,000,629.40, 1,501,224.71 and 402,010.92

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Solution

The fourth proportional to 1,000,629.40, 1,501,224.71 and 402,010.92 is: 603,129.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,629.40 : 1,501,224.71 = 402,010.92 : x
  2. Step 2: Convert to fraction form
    1,000,629.40/1,501,224.71 = 402,010.92/x
  3. Step 3: Cross multiply
    1,000,629.40x = 1,501,224.71 × 402,010.92
  4. Step 4: Simplify right side
    1,000,629.40x = 603,508,726,793.83
  5. Step 5: Solve for x
    x = 603,508,726,793.83/1,000,629.40
  6. Step 6: Final answer
    x = 603,129.12

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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.