Home / 1,225,534.44-1,838,351.10-426,896.76

Finding the Fourth Proportional to 1,225,534.44, 1,838,351.10 and 426,896.76

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Solution

The fourth proportional to 1,225,534.44, 1,838,351.10 and 426,896.76 is: 640,362.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,534.44 : 1,838,351.10 = 426,896.76 : x
  2. Step 2: Convert to fraction form
    1,225,534.44/1,838,351.10 = 426,896.76/x
  3. Step 3: Cross multiply
    1,225,534.44x = 1,838,351.10 × 426,896.76
  4. Step 4: Simplify right side
    1,225,534.44x = 784,786,128,332.44
  5. Step 5: Solve for x
    x = 784,786,128,332.44/1,225,534.44
  6. Step 6: Final answer
    x = 640,362.36

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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.