Home / 754,605.72-1,041,383.58-415,099.80

Finding the Fourth Proportional to 754,605.72, 1,041,383.58 and 415,099.80

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Solution

The fourth proportional to 754,605.72, 1,041,383.58 and 415,099.80 is: 572,852.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,605.72 : 1,041,383.58 = 415,099.80 : x
  2. Step 2: Convert to fraction form
    754,605.72/1,041,383.58 = 415,099.80/x
  3. Step 3: Cross multiply
    754,605.72x = 1,041,383.58 × 415,099.80
  4. Step 4: Simplify right side
    754,605.72x = 432,278,115,781.28
  5. Step 5: Solve for x
    x = 432,278,115,781.28/754,605.72
  6. Step 6: Final answer
    x = 572,852.95

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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.