Home / 404,820.41-607,124.61-120,434.36

Finding the Fourth Proportional to 404,820.41, 607,124.61 and 120,434.36

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Solution

The fourth proportional to 404,820.41, 607,124.61 and 120,434.36 is: 180,620.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,820.41 : 607,124.61 = 120,434.36 : x
  2. Step 2: Convert to fraction form
    404,820.41/607,124.61 = 120,434.36/x
  3. Step 3: Cross multiply
    404,820.41x = 607,124.61 × 120,434.36
  4. Step 4: Simplify right side
    404,820.41x = 73,118,660,809.98
  5. Step 5: Solve for x
    x = 73,118,660,809.98/404,820.41
  6. Step 6: Final answer
    x = 180,620.00

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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.