Home / 1,312,536.20-1,968,915.47-365,907.83

Finding the Fourth Proportional to 1,312,536.20, 1,968,915.47 and 365,907.83

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Solution

The fourth proportional to 1,312,536.20, 1,968,915.47 and 365,907.83 is: 548,892.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,536.20 : 1,968,915.47 = 365,907.83 : x
  2. Step 2: Convert to fraction form
    1,312,536.20/1,968,915.47 = 365,907.83/x
  3. Step 3: Cross multiply
    1,312,536.20x = 1,968,915.47 × 365,907.83
  4. Step 4: Simplify right side
    1,312,536.20x = 720,441,575,407.01
  5. Step 5: Solve for x
    x = 720,441,575,407.01/1,312,536.20
  6. Step 6: Final answer
    x = 548,892.73

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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.