Home / 769,615.38-1,062,070.67-430,083.63

Finding the Fourth Proportional to 769,615.38, 1,062,070.67 and 430,083.63

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Solution

The fourth proportional to 769,615.38, 1,062,070.67 and 430,083.63 is: 593,516.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,615.38 : 1,062,070.67 = 430,083.63 : x
  2. Step 2: Convert to fraction form
    769,615.38/1,062,070.67 = 430,083.63/x
  3. Step 3: Cross multiply
    769,615.38x = 1,062,070.67 × 430,083.63
  4. Step 4: Simplify right side
    769,615.38x = 456,779,206,919.71
  5. Step 5: Solve for x
    x = 456,779,206,919.71/769,615.38
  6. Step 6: Final answer
    x = 593,516.21

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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.