Home / 685,744.40-946,439.40-410,084.24

Finding the Fourth Proportional to 685,744.40, 946,439.40 and 410,084.24

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Solution

The fourth proportional to 685,744.40, 946,439.40 and 410,084.24 is: 565,983.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,744.40 : 946,439.40 = 410,084.24 : x
  2. Step 2: Convert to fraction form
    685,744.40/946,439.40 = 410,084.24/x
  3. Step 3: Cross multiply
    685,744.40x = 946,439.40 × 410,084.24
  4. Step 4: Simplify right side
    685,744.40x = 388,119,882,055.06
  5. Step 5: Solve for x
    x = 388,119,882,055.06/685,744.40
  6. Step 6: Final answer
    x = 565,983.31

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1.5x scale

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.