Home / 1,238,518.60-1,709,173.38-927,870.76

Finding the Fourth Proportional to 1,238,518.60, 1,709,173.38 and 927,870.76

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Solution

The fourth proportional to 1,238,518.60, 1,709,173.38 and 927,870.76 is: 1,280,474.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,518.60 : 1,709,173.38 = 927,870.76 : x
  2. Step 2: Convert to fraction form
    1,238,518.60/1,709,173.38 = 927,870.76/x
  3. Step 3: Cross multiply
    1,238,518.60x = 1,709,173.38 × 927,870.76
  4. Step 4: Simplify right side
    1,238,518.60x = 1,585,892,003,072.37
  5. Step 5: Solve for x
    x = 1,585,892,003,072.37/1,238,518.60
  6. Step 6: Final answer
    x = 1,280,474.92

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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.