Home / 751,342.50-1,036,852.65-411,803.46

Finding the Fourth Proportional to 751,342.50, 1,036,852.65 and 411,803.46

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Solution

The fourth proportional to 751,342.50, 1,036,852.65 and 411,803.46 is: 568,288.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,342.50 : 1,036,852.65 = 411,803.46 : x
  2. Step 2: Convert to fraction form
    751,342.50/1,036,852.65 = 411,803.46/x
  3. Step 3: Cross multiply
    751,342.50x = 1,036,852.65 × 411,803.46
  4. Step 4: Simplify right side
    751,342.50x = 426,979,508,780.17
  5. Step 5: Solve for x
    x = 426,979,508,780.17/751,342.50
  6. Step 6: Final answer
    x = 568,288.77

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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.