Home / 922,390.60-1,272,844.20-535,176.03

Finding the Fourth Proportional to 922,390.60, 1,272,844.20 and 535,176.03

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Solution

The fourth proportional to 922,390.60, 1,272,844.20 and 535,176.03 is: 738,511.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,390.60 : 1,272,844.20 = 535,176.03 : x
  2. Step 2: Convert to fraction form
    922,390.60/1,272,844.20 = 535,176.03/x
  3. Step 3: Cross multiply
    922,390.60x = 1,272,844.20 × 535,176.03
  4. Step 4: Simplify right side
    922,390.60x = 681,195,705,764.53
  5. Step 5: Solve for x
    x = 681,195,705,764.53/922,390.60
  6. Step 6: Final answer
    x = 738,511.11

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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.