Home / 883,984.07-1,220,045.94-521,497.86

Finding the Fourth Proportional to 883,984.07, 1,220,045.94 and 521,497.86

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Solution

The fourth proportional to 883,984.07, 1,220,045.94 and 521,497.86 is: 719,754.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,984.07 : 1,220,045.94 = 521,497.86 : x
  2. Step 2: Convert to fraction form
    883,984.07/1,220,045.94 = 521,497.86/x
  3. Step 3: Cross multiply
    883,984.07x = 1,220,045.94 × 521,497.86
  4. Step 4: Simplify right side
    883,984.07x = 636,251,346,811.69
  5. Step 5: Solve for x
    x = 636,251,346,811.69/883,984.07
  6. Step 6: Final answer
    x = 719,754.32

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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.