Home / 1,333,913.02-1,999,643.44-480,775.86

Finding the Fourth Proportional to 1,333,913.02, 1,999,643.44 and 480,775.86

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Solution

The fourth proportional to 1,333,913.02, 1,999,643.44 and 480,775.86 is: 720,721.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,913.02 : 1,999,643.44 = 480,775.86 : x
  2. Step 2: Convert to fraction form
    1,333,913.02/1,999,643.44 = 480,775.86/x
  3. Step 3: Cross multiply
    1,333,913.02x = 1,999,643.44 × 480,775.86
  4. Step 4: Simplify right side
    1,333,913.02x = 961,380,294,559.36
  5. Step 5: Solve for x
    x = 961,380,294,559.36/1,333,913.02
  6. Step 6: Final answer
    x = 720,721.88

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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.