Home / 816,406.86-1,127,191.23-730,098.12

Finding the Fourth Proportional to 816,406.86, 1,127,191.23 and 730,098.12

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Solution

The fourth proportional to 816,406.86, 1,127,191.23 and 730,098.12 is: 1,008,027.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,406.86 : 1,127,191.23 = 730,098.12 : x
  2. Step 2: Convert to fraction form
    816,406.86/1,127,191.23 = 730,098.12/x
  3. Step 3: Cross multiply
    816,406.86x = 1,127,191.23 × 730,098.12
  4. Step 4: Simplify right side
    816,406.86x = 822,960,197,903.49
  5. Step 5: Solve for x
    x = 822,960,197,903.49/816,406.86
  6. Step 6: Final answer
    x = 1,008,027.05

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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.