Home / 1,217,920.40-1,826,880.60-376,557.20

Finding the Fourth Proportional to 1,217,920.40, 1,826,880.60 and 376,557.20

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Solution

The fourth proportional to 1,217,920.40, 1,826,880.60 and 376,557.20 is: 564,835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,920.40 : 1,826,880.60 = 376,557.20 : x
  2. Step 2: Convert to fraction form
    1,217,920.40/1,826,880.60 = 376,557.20/x
  3. Step 3: Cross multiply
    1,217,920.40x = 1,826,880.60 × 376,557.20
  4. Step 4: Simplify right side
    1,217,920.40x = 687,925,043,470.32
  5. Step 5: Solve for x
    x = 687,925,043,470.32/1,217,920.40
  6. Step 6: Final answer
    x = 564,835.80

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1.5x scale

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.