Home / 784,893.70-1,083,139.50-440,732.35

Finding the Fourth Proportional to 784,893.70, 1,083,139.50 and 440,732.35

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Solution

The fourth proportional to 784,893.70, 1,083,139.50 and 440,732.35 is: 608,202.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,893.70 : 1,083,139.50 = 440,732.35 : x
  2. Step 2: Convert to fraction form
    784,893.70/1,083,139.50 = 440,732.35/x
  3. Step 3: Cross multiply
    784,893.70x = 1,083,139.50 × 440,732.35
  4. Step 4: Simplify right side
    784,893.70x = 477,374,617,212.83
  5. Step 5: Solve for x
    x = 477,374,617,212.83/784,893.70
  6. Step 6: Final answer
    x = 608,202.89

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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.