Home / 985,911.62-1,360,571.22-556,190.42

Finding the Fourth Proportional to 985,911.62, 1,360,571.22 and 556,190.42

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Solution

The fourth proportional to 985,911.62, 1,360,571.22 and 556,190.42 is: 767,550.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,911.62 : 1,360,571.22 = 556,190.42 : x
  2. Step 2: Convert to fraction form
    985,911.62/1,360,571.22 = 556,190.42/x
  3. Step 3: Cross multiply
    985,911.62x = 1,360,571.22 × 556,190.42
  4. Step 4: Simplify right side
    985,911.62x = 756,736,678,291.71
  5. Step 5: Solve for x
    x = 756,736,678,291.71/985,911.62
  6. Step 6: Final answer
    x = 767,550.22

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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.