Home / 699,084.45-1,046,217.20-429,033.33

Finding the Fourth Proportional to 699,084.45, 1,046,217.20 and 429,033.33

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Solution

The fourth proportional to 699,084.45, 1,046,217.20 and 429,033.33 is: 642,071.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,084.45 : 1,046,217.20 = 429,033.33 : x
  2. Step 2: Convert to fraction form
    699,084.45/1,046,217.20 = 429,033.33/x
  3. Step 3: Cross multiply
    699,084.45x = 1,046,217.20 × 429,033.33
  4. Step 4: Simplify right side
    699,084.45x = 448,862,047,074.11
  5. Step 5: Solve for x
    x = 448,862,047,074.11/699,084.45
  6. Step 6: Final answer
    x = 642,071.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.