Home / 922,615.32-1,273,296.78-578,505.72

Finding the Fourth Proportional to 922,615.32, 1,273,296.78 and 578,505.72

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Solution

The fourth proportional to 922,615.32, 1,273,296.78 and 578,505.72 is: 798,392.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,615.32 : 1,273,296.78 = 578,505.72 : x
  2. Step 2: Convert to fraction form
    922,615.32/1,273,296.78 = 578,505.72/x
  3. Step 3: Cross multiply
    922,615.32x = 1,273,296.78 × 578,505.72
  4. Step 4: Simplify right side
    922,615.32x = 736,609,470,487.58
  5. Step 5: Solve for x
    x = 736,609,470,487.58/922,615.32
  6. Step 6: Final answer
    x = 798,392.85

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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.