Home / 441,837.80-662,756.70-407,623.40

Finding the Fourth Proportional to 441,837.80, 662,756.70 and 407,623.40

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Solution

The fourth proportional to 441,837.80, 662,756.70 and 407,623.40 is: 611,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,837.80 : 662,756.70 = 407,623.40 : x
  2. Step 2: Convert to fraction form
    441,837.80/662,756.70 = 407,623.40/x
  3. Step 3: Cross multiply
    441,837.80x = 662,756.70 × 407,623.40
  4. Step 4: Simplify right side
    441,837.80x = 270,155,139,426.78
  5. Step 5: Solve for x
    x = 270,155,139,426.78/441,837.80
  6. Step 6: Final answer
    x = 611,435.10

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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.