Home / 515,814.36-711,641.34-337,070.04

Finding the Fourth Proportional to 515,814.36, 711,641.34 and 337,070.04

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Solution

The fourth proportional to 515,814.36, 711,641.34 and 337,070.04 is: 465,037.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,814.36 : 711,641.34 = 337,070.04 : x
  2. Step 2: Convert to fraction form
    515,814.36/711,641.34 = 337,070.04/x
  3. Step 3: Cross multiply
    515,814.36x = 711,641.34 × 337,070.04
  4. Step 4: Simplify right side
    515,814.36x = 239,872,974,939.45
  5. Step 5: Solve for x
    x = 239,872,974,939.45/515,814.36
  6. Step 6: Final answer
    x = 465,037.41

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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.