Home / 1,221,613.36-1,832,536.64-379,939.12

Finding the Fourth Proportional to 1,221,613.36, 1,832,536.64 and 379,939.12

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Solution

The fourth proportional to 1,221,613.36, 1,832,536.64 and 379,939.12 is: 569,944.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,613.36 : 1,832,536.64 = 379,939.12 : x
  2. Step 2: Convert to fraction form
    1,221,613.36/1,832,536.64 = 379,939.12/x
  3. Step 3: Cross multiply
    1,221,613.36x = 1,832,536.64 × 379,939.12
  4. Step 4: Simplify right side
    1,221,613.36x = 696,252,358,369.36
  5. Step 5: Solve for x
    x = 696,252,358,369.36/1,221,613.36
  6. Step 6: Final answer
    x = 569,944.94

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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.