Home / 404,920.10-607,639.35-236,440.10

Finding the Fourth Proportional to 404,920.10, 607,639.35 and 236,440.10

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Solution

The fourth proportional to 404,920.10, 607,639.35 and 236,440.10 is: 354,811.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,920.10 : 607,639.35 = 236,440.10 : x
  2. Step 2: Convert to fraction form
    404,920.10/607,639.35 = 236,440.10/x
  3. Step 3: Cross multiply
    404,920.10x = 607,639.35 × 236,440.10
  4. Step 4: Simplify right side
    404,920.10x = 143,670,308,677.94
  5. Step 5: Solve for x
    x = 143,670,308,677.94/404,920.10
  6. Step 6: Final answer
    x = 354,811.50

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1.5x scale

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.