Home / 1,438,124.00-2,157,188.45-1,151,756.96

Finding the Fourth Proportional to 1,438,124.00, 2,157,188.45 and 1,151,756.96

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Solution

The fourth proportional to 1,438,124.00, 2,157,188.45 and 1,151,756.96 is: 1,727,637.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,124.00 : 2,157,188.45 = 1,151,756.96 : x
  2. Step 2: Convert to fraction form
    1,438,124.00/2,157,188.45 = 1,151,756.96/x
  3. Step 3: Cross multiply
    1,438,124.00x = 2,157,188.45 × 1,151,756.96
  4. Step 4: Simplify right side
    1,438,124.00x = 2,484,556,794,774.38
  5. Step 5: Solve for x
    x = 2,484,556,794,774.38/1,438,124.00
  6. Step 6: Final answer
    x = 1,727,637.40

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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.