Home / 1,440,180.27-1,987,509.15-828,333.18

Finding the Fourth Proportional to 1,440,180.27, 1,987,509.15 and 828,333.18

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Solution

The fourth proportional to 1,440,180.27, 1,987,509.15 and 828,333.18 is: 1,143,134.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,180.27 : 1,987,509.15 = 828,333.18 : x
  2. Step 2: Convert to fraction form
    1,440,180.27/1,987,509.15 = 828,333.18/x
  3. Step 3: Cross multiply
    1,440,180.27x = 1,987,509.15 × 828,333.18
  4. Step 4: Simplify right side
    1,440,180.27x = 1,646,319,774,498.60
  5. Step 5: Solve for x
    x = 1,646,319,774,498.60/1,440,180.27
  6. Step 6: Final answer
    x = 1,143,134.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.