Home / 784,909.21-1,083,100.67-440,677.91

Finding the Fourth Proportional to 784,909.21, 1,083,100.67 and 440,677.91

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Solution

The fourth proportional to 784,909.21, 1,083,100.67 and 440,677.91 is: 608,093.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,909.21 : 1,083,100.67 = 440,677.91 : x
  2. Step 2: Convert to fraction form
    784,909.21/1,083,100.67 = 440,677.91/x
  3. Step 3: Cross multiply
    784,909.21x = 1,083,100.67 × 440,677.91
  4. Step 4: Simplify right side
    784,909.21x = 477,298,535,261.39
  5. Step 5: Solve for x
    x = 477,298,535,261.39/784,909.21
  6. Step 6: Final answer
    x = 608,093.94

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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.