Home / 698,178.80-1,048,844.70-414,055.71

Finding the Fourth Proportional to 698,178.80, 1,048,844.70 and 414,055.71

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Solution

The fourth proportional to 698,178.80, 1,048,844.70 and 414,055.71 is: 622,018.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,178.80 : 1,048,844.70 = 414,055.71 : x
  2. Step 2: Convert to fraction form
    698,178.80/1,048,844.70 = 414,055.71/x
  3. Step 3: Cross multiply
    698,178.80x = 1,048,844.70 × 414,055.71
  4. Step 4: Simplify right side
    698,178.80x = 434,280,136,938.24
  5. Step 5: Solve for x
    x = 434,280,136,938.24/698,178.80
  6. Step 6: Final answer
    x = 622,018.51

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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.