Home / 662,928.54-914,814.60-405,237.06

Finding the Fourth Proportional to 662,928.54, 914,814.60 and 405,237.06

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Solution

The fourth proportional to 662,928.54, 914,814.60 and 405,237.06 is: 559,210.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,928.54 : 914,814.60 = 405,237.06 : x
  2. Step 2: Convert to fraction form
    662,928.54/914,814.60 = 405,237.06/x
  3. Step 3: Cross multiply
    662,928.54x = 914,814.60 × 405,237.06
  4. Step 4: Simplify right side
    662,928.54x = 370,716,778,949.08
  5. Step 5: Solve for x
    x = 370,716,778,949.08/662,928.54
  6. Step 6: Final answer
    x = 559,210.77

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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.