Home / 911,380.48-1,366,295.24-556,643.36

Finding the Fourth Proportional to 911,380.48, 1,366,295.24 and 556,643.36

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Solution

The fourth proportional to 911,380.48, 1,366,295.24 and 556,643.36 is: 834,491.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,380.48 : 1,366,295.24 = 556,643.36 : x
  2. Step 2: Convert to fraction form
    911,380.48/1,366,295.24 = 556,643.36/x
  3. Step 3: Cross multiply
    911,380.48x = 1,366,295.24 × 556,643.36
  4. Step 4: Simplify right side
    911,380.48x = 760,539,173,145.61
  5. Step 5: Solve for x
    x = 760,539,173,145.61/911,380.48
  6. Step 6: Final answer
    x = 834,491.40

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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.