Home / 811,103.64-1,119,330.27-448,552.05

Finding the Fourth Proportional to 811,103.64, 1,119,330.27 and 448,552.05

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Solution

The fourth proportional to 811,103.64, 1,119,330.27 and 448,552.05 is: 619,005.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,103.64 : 1,119,330.27 = 448,552.05 : x
  2. Step 2: Convert to fraction form
    811,103.64/1,119,330.27 = 448,552.05/x
  3. Step 3: Cross multiply
    811,103.64x = 1,119,330.27 × 448,552.05
  4. Step 4: Simplify right side
    811,103.64x = 502,077,887,235.55
  5. Step 5: Solve for x
    x = 502,077,887,235.55/811,103.64
  6. Step 6: Final answer
    x = 619,005.84

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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.