Home / 883,936.22-1,219,774.52-521,276.94

Finding the Fourth Proportional to 883,936.22, 1,219,774.52 and 521,276.94

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Solution

The fourth proportional to 883,936.22, 1,219,774.52 and 521,276.94 is: 719,328.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,936.22 : 1,219,774.52 = 521,276.94 : x
  2. Step 2: Convert to fraction form
    883,936.22/1,219,774.52 = 521,276.94/x
  3. Step 3: Cross multiply
    883,936.22x = 1,219,774.52 × 521,276.94
  4. Step 4: Simplify right side
    883,936.22x = 635,840,329,275.57
  5. Step 5: Solve for x
    x = 635,840,329,275.57/883,936.22
  6. Step 6: Final answer
    x = 719,328.29

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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.