Home / 811,467.77-1,119,805.29-448,911.77

Finding the Fourth Proportional to 811,467.77, 1,119,805.29 and 448,911.77

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Solution

The fourth proportional to 811,467.77, 1,119,805.29 and 448,911.77 is: 619,487.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,467.77 : 1,119,805.29 = 448,911.77 : x
  2. Step 2: Convert to fraction form
    811,467.77/1,119,805.29 = 448,911.77/x
  3. Step 3: Cross multiply
    811,467.77x = 1,119,805.29 × 448,911.77
  4. Step 4: Simplify right side
    811,467.77x = 502,693,774,789.26
  5. Step 5: Solve for x
    x = 502,693,774,789.26/811,467.77
  6. Step 6: Final answer
    x = 619,487.05

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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.