Home / 790,495.91-1,090,891.87-463,814.48

Finding the Fourth Proportional to 790,495.91, 1,090,891.87 and 463,814.48

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Solution

The fourth proportional to 790,495.91, 1,090,891.87 and 463,814.48 is: 640,068.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,495.91 : 1,090,891.87 = 463,814.48 : x
  2. Step 2: Convert to fraction form
    790,495.91/1,090,891.87 = 463,814.48/x
  3. Step 3: Cross multiply
    790,495.91x = 1,090,891.87 × 463,814.48
  4. Step 4: Simplify right side
    790,495.91x = 505,971,439,965.82
  5. Step 5: Solve for x
    x = 505,971,439,965.82/790,495.91
  6. Step 6: Final answer
    x = 640,068.38

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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.