Home / 710,204.74-979,827.87-419,755.34

Finding the Fourth Proportional to 710,204.74, 979,827.87 and 419,755.34

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Solution

The fourth proportional to 710,204.74, 979,827.87 and 419,755.34 is: 579,111.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,204.74 : 979,827.87 = 419,755.34 : x
  2. Step 2: Convert to fraction form
    710,204.74/979,827.87 = 419,755.34/x
  3. Step 3: Cross multiply
    710,204.74x = 979,827.87 × 419,755.34
  4. Step 4: Simplify right side
    710,204.74x = 411,287,984,736.98
  5. Step 5: Solve for x
    x = 411,287,984,736.98/710,204.74
  6. Step 6: Final answer
    x = 579,111.86

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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.