Home / 769,576.96-1,062,014.50-430,045.24

Finding the Fourth Proportional to 769,576.96, 1,062,014.50 and 430,045.24

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Solution

The fourth proportional to 769,576.96, 1,062,014.50 and 430,045.24 is: 593,461.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,576.96 : 1,062,014.50 = 430,045.24 : x
  2. Step 2: Convert to fraction form
    769,576.96/1,062,014.50 = 430,045.24/x
  3. Step 3: Cross multiply
    769,576.96x = 1,062,014.50 × 430,045.24
  4. Step 4: Simplify right side
    769,576.96x = 456,714,280,535.98
  5. Step 5: Solve for x
    x = 456,714,280,535.98/769,576.96
  6. Step 6: Final answer
    x = 593,461.48

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Double scale
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Similar ratio
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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.