Home / 970,442.32-1,339,215.71-562,785.86

Finding the Fourth Proportional to 970,442.32, 1,339,215.71 and 562,785.86

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Solution

The fourth proportional to 970,442.32, 1,339,215.71 and 562,785.86 is: 776,647.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,442.32 : 1,339,215.71 = 562,785.86 : x
  2. Step 2: Convert to fraction form
    970,442.32/1,339,215.71 = 562,785.86/x
  3. Step 3: Cross multiply
    970,442.32x = 1,339,215.71 × 562,785.86
  4. Step 4: Simplify right side
    970,442.32x = 753,691,669,832.87
  5. Step 5: Solve for x
    x = 753,691,669,832.87/970,442.32
  6. Step 6: Final answer
    x = 776,647.57

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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.