Home / 883,619.48-1,219,336.88-521,025.80

Finding the Fourth Proportional to 883,619.48, 1,219,336.88 and 521,025.80

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Solution

The fourth proportional to 883,619.48, 1,219,336.88 and 521,025.80 is: 718,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,619.48 : 1,219,336.88 = 521,025.80 : x
  2. Step 2: Convert to fraction form
    883,619.48/1,219,336.88 = 521,025.80/x
  3. Step 3: Cross multiply
    883,619.48x = 1,219,336.88 × 521,025.80
  4. Step 4: Simplify right side
    883,619.48x = 635,305,973,371.50
  5. Step 5: Solve for x
    x = 635,305,973,371.50/883,619.48
  6. Step 6: Final answer
    x = 718,981.40

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1.5x scale

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.