Home / 1,438,782.88-2,157,969.66-586,226.56

Finding the Fourth Proportional to 1,438,782.88, 2,157,969.66 and 586,226.56

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Solution

The fourth proportional to 1,438,782.88, 2,157,969.66 and 586,226.56 is: 879,256.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,782.88 : 2,157,969.66 = 586,226.56 : x
  2. Step 2: Convert to fraction form
    1,438,782.88/2,157,969.66 = 586,226.56/x
  3. Step 3: Cross multiply
    1,438,782.88x = 2,157,969.66 × 586,226.56
  4. Step 4: Simplify right side
    1,438,782.88x = 1,265,059,130,366.17
  5. Step 5: Solve for x
    x = 1,265,059,130,366.17/1,438,782.88
  6. Step 6: Final answer
    x = 879,256.45

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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.