Home / 1,312,549.70-1,968,935.72-365,921.33

Finding the Fourth Proportional to 1,312,549.70, 1,968,935.72 and 365,921.33

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Solution

The fourth proportional to 1,312,549.70, 1,968,935.72 and 365,921.33 is: 548,912.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,549.70 : 1,968,935.72 = 365,921.33 : x
  2. Step 2: Convert to fraction form
    1,312,549.70/1,968,935.72 = 365,921.33/x
  3. Step 3: Cross multiply
    1,312,549.70x = 1,968,935.72 × 365,921.33
  4. Step 4: Simplify right side
    1,312,549.70x = 720,475,565,672.62
  5. Step 5: Solve for x
    x = 720,475,565,672.62/1,312,549.70
  6. Step 6: Final answer
    x = 548,912.98

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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.