Home / 1,291,931.28-1,938,610.44-533,596.32

Finding the Fourth Proportional to 1,291,931.28, 1,938,610.44 and 533,596.32

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Solution

The fourth proportional to 1,291,931.28, 1,938,610.44 and 533,596.32 is: 800,689.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,931.28 : 1,938,610.44 = 533,596.32 : x
  2. Step 2: Convert to fraction form
    1,291,931.28/1,938,610.44 = 533,596.32/x
  3. Step 3: Cross multiply
    1,291,931.28x = 1,938,610.44 × 533,596.32
  4. Step 4: Simplify right side
    1,291,931.28x = 1,034,435,396,697.58
  5. Step 5: Solve for x
    x = 1,034,435,396,697.58/1,291,931.28
  6. Step 6: Final answer
    x = 800,689.18

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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.