Home / 729,298.60-1,006,533.50-407,029.46

Finding the Fourth Proportional to 729,298.60, 1,006,533.50 and 407,029.46

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Solution

The fourth proportional to 729,298.60, 1,006,533.50 and 407,029.46 is: 561,757.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,298.60 : 1,006,533.50 = 407,029.46 : x
  2. Step 2: Convert to fraction form
    729,298.60/1,006,533.50 = 407,029.46/x
  3. Step 3: Cross multiply
    729,298.60x = 1,006,533.50 × 407,029.46
  4. Step 4: Simplify right side
    729,298.60x = 409,688,786,976.91
  5. Step 5: Solve for x
    x = 409,688,786,976.91/729,298.60
  6. Step 6: Final answer
    x = 561,757.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.