Home / 782,068.32-1,079,250.48-424,372.32

Finding the Fourth Proportional to 782,068.32, 1,079,250.48 and 424,372.32

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Solution

The fourth proportional to 782,068.32, 1,079,250.48 and 424,372.32 is: 585,631.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,068.32 : 1,079,250.48 = 424,372.32 : x
  2. Step 2: Convert to fraction form
    782,068.32/1,079,250.48 = 424,372.32/x
  3. Step 3: Cross multiply
    782,068.32x = 1,079,250.48 × 424,372.32
  4. Step 4: Simplify right side
    782,068.32x = 458,004,030,058.71
  5. Step 5: Solve for x
    x = 458,004,030,058.71/782,068.32
  6. Step 6: Final answer
    x = 585,631.74

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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.