Home / 1,557,533.10-2,149,503.57-869,339.22

Finding the Fourth Proportional to 1,557,533.10, 2,149,503.57 and 869,339.22

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Solution

The fourth proportional to 1,557,533.10, 2,149,503.57 and 869,339.22 is: 1,199,748.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,533.10 : 2,149,503.57 = 869,339.22 : x
  2. Step 2: Convert to fraction form
    1,557,533.10/2,149,503.57 = 869,339.22/x
  3. Step 3: Cross multiply
    1,557,533.10x = 2,149,503.57 × 869,339.22
  4. Step 4: Simplify right side
    1,557,533.10x = 1,868,647,746,183.50
  5. Step 5: Solve for x
    x = 1,868,647,746,183.50/1,557,533.10
  6. Step 6: Final answer
    x = 1,199,748.34

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1.5x scale

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.