Home / 975,175.57-1,345,624.36-561,847.56

Finding the Fourth Proportional to 975,175.57, 1,345,624.36 and 561,847.56

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Solution

The fourth proportional to 975,175.57, 1,345,624.36 and 561,847.56 is: 775,281.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,175.57 : 1,345,624.36 = 561,847.56 : x
  2. Step 2: Convert to fraction form
    975,175.57/1,345,624.36 = 561,847.56/x
  3. Step 3: Cross multiply
    975,175.57x = 1,345,624.36 × 561,847.56
  4. Step 4: Simplify right side
    975,175.57x = 756,035,763,342.56
  5. Step 5: Solve for x
    x = 756,035,763,342.56/975,175.57
  6. Step 6: Final answer
    x = 775,281.69

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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.