Home / 1,308,336.10-1,805,525.12-719,658.80

Finding the Fourth Proportional to 1,308,336.10, 1,805,525.12 and 719,658.80

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Solution

The fourth proportional to 1,308,336.10, 1,805,525.12 and 719,658.80 is: 993,140.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,336.10 : 1,805,525.12 = 719,658.80 : x
  2. Step 2: Convert to fraction form
    1,308,336.10/1,805,525.12 = 719,658.80/x
  3. Step 3: Cross multiply
    1,308,336.10x = 1,805,525.12 × 719,658.80
  4. Step 4: Simplify right side
    1,308,336.10x = 1,299,362,041,229.06
  5. Step 5: Solve for x
    x = 1,299,362,041,229.06/1,308,336.10
  6. Step 6: Final answer
    x = 993,140.86

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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.