Home / 1,856,707.15-2,785,719.65-831,956.87

Finding the Fourth Proportional to 1,856,707.15, 2,785,719.65 and 831,956.87

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Solution

The fourth proportional to 1,856,707.15, 2,785,719.65 and 831,956.87 is: 1,248,230.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856,707.15 : 2,785,719.65 = 831,956.87 : x
  2. Step 2: Convert to fraction form
    1,856,707.15/2,785,719.65 = 831,956.87/x
  3. Step 3: Cross multiply
    1,856,707.15x = 2,785,719.65 × 831,956.87
  4. Step 4: Simplify right side
    1,856,707.15x = 2,317,598,582,623.11
  5. Step 5: Solve for x
    x = 2,317,598,582,623.11/1,856,707.15
  6. Step 6: Final answer
    x = 1,248,230.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.