Home / 1,217,886.80-1,826,830.20-376,523.60

Finding the Fourth Proportional to 1,217,886.80, 1,826,830.20 and 376,523.60

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Solution

The fourth proportional to 1,217,886.80, 1,826,830.20 and 376,523.60 is: 564,785.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,886.80 : 1,826,830.20 = 376,523.60 : x
  2. Step 2: Convert to fraction form
    1,217,886.80/1,826,830.20 = 376,523.60/x
  3. Step 3: Cross multiply
    1,217,886.80x = 1,826,830.20 × 376,523.60
  4. Step 4: Simplify right side
    1,217,886.80x = 687,844,683,492.72
  5. Step 5: Solve for x
    x = 687,844,683,492.72/1,217,886.80
  6. Step 6: Final answer
    x = 564,785.40

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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.