Home / 1,217,811.60-1,826,717.40-376,621.20

Finding the Fourth Proportional to 1,217,811.60, 1,826,717.40 and 376,621.20

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Solution

The fourth proportional to 1,217,811.60, 1,826,717.40 and 376,621.20 is: 564,931.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,811.60 : 1,826,717.40 = 376,621.20 : x
  2. Step 2: Convert to fraction form
    1,217,811.60/1,826,717.40 = 376,621.20/x
  3. Step 3: Cross multiply
    1,217,811.60x = 1,826,717.40 × 376,621.20
  4. Step 4: Simplify right side
    1,217,811.60x = 687,980,499,248.88
  5. Step 5: Solve for x
    x = 687,980,499,248.88/1,217,811.60
  6. Step 6: Final answer
    x = 564,931.80

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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.