Home / 965,198.12-1,332,036.49-557,317.16

Finding the Fourth Proportional to 965,198.12, 1,332,036.49 and 557,317.16

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Solution

The fourth proportional to 965,198.12, 1,332,036.49 and 557,317.16 is: 769,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,198.12 : 1,332,036.49 = 557,317.16 : x
  2. Step 2: Convert to fraction form
    965,198.12/1,332,036.49 = 557,317.16/x
  3. Step 3: Cross multiply
    965,198.12x = 1,332,036.49 × 557,317.16
  4. Step 4: Simplify right side
    965,198.12x = 742,366,786,962.99
  5. Step 5: Solve for x
    x = 742,366,786,962.99/965,198.12
  6. Step 6: Final answer
    x = 769,134.10

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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.