Home / 769,576.83-1,062,008.19-430,045.08

Finding the Fourth Proportional to 769,576.83, 1,062,008.19 and 430,045.08

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Solution

The fourth proportional to 769,576.83, 1,062,008.19 and 430,045.08 is: 593,457.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,576.83 : 1,062,008.19 = 430,045.08 : x
  2. Step 2: Convert to fraction form
    769,576.83/1,062,008.19 = 430,045.08/x
  3. Step 3: Cross multiply
    769,576.83x = 1,062,008.19 × 430,045.08
  4. Step 4: Simplify right side
    769,576.83x = 456,711,397,029.21
  5. Step 5: Solve for x
    x = 456,711,397,029.21/769,576.83
  6. Step 6: Final answer
    x = 593,457.83

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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.