Home / 441,333.23-607,128.55-386,639.06

Finding the Fourth Proportional to 441,333.23, 607,128.55 and 386,639.06

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Solution

The fourth proportional to 441,333.23, 607,128.55 and 386,639.06 is: 531,887.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,333.23 : 607,128.55 = 386,639.06 : x
  2. Step 2: Convert to fraction form
    441,333.23/607,128.55 = 386,639.06/x
  3. Step 3: Cross multiply
    441,333.23x = 607,128.55 × 386,639.06
  4. Step 4: Simplify right side
    441,333.23x = 234,739,607,868.92
  5. Step 5: Solve for x
    x = 234,739,607,868.92/441,333.23
  6. Step 6: Final answer
    x = 531,887.46

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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.