Home / 699,852.48-965,827.17-393,948.60

Finding the Fourth Proportional to 699,852.48, 965,827.17 and 393,948.60

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Solution

The fourth proportional to 699,852.48, 965,827.17 and 393,948.60 is: 543,666.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,852.48 : 965,827.17 = 393,948.60 : x
  2. Step 2: Convert to fraction form
    699,852.48/965,827.17 = 393,948.60/x
  3. Step 3: Cross multiply
    699,852.48x = 965,827.17 × 393,948.60
  4. Step 4: Simplify right side
    699,852.48x = 380,486,261,463.46
  5. Step 5: Solve for x
    x = 380,486,261,463.46/699,852.48
  6. Step 6: Final answer
    x = 543,666.38

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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.