Home / 759,461.96-1,048,078.50-419,942.36

Finding the Fourth Proportional to 759,461.96, 1,048,078.50 and 419,942.36

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Solution

The fourth proportional to 759,461.96, 1,048,078.50 and 419,942.36 is: 579,532.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,461.96 : 1,048,078.50 = 419,942.36 : x
  2. Step 2: Convert to fraction form
    759,461.96/1,048,078.50 = 419,942.36/x
  3. Step 3: Cross multiply
    759,461.96x = 1,048,078.50 × 419,942.36
  4. Step 4: Simplify right side
    759,461.96x = 440,132,558,755.26
  5. Step 5: Solve for x
    x = 440,132,558,755.26/759,461.96
  6. Step 6: Final answer
    x = 579,532.07

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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.