Home / 1,557,533.60-2,149,504.26-869,339.72

Finding the Fourth Proportional to 1,557,533.60, 2,149,504.26 and 869,339.72

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Solution

The fourth proportional to 1,557,533.60, 2,149,504.26 and 869,339.72 is: 1,199,749.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,533.60 : 2,149,504.26 = 869,339.72 : x
  2. Step 2: Convert to fraction form
    1,557,533.60/2,149,504.26 = 869,339.72/x
  3. Step 3: Cross multiply
    1,557,533.60x = 2,149,504.26 × 869,339.72
  4. Step 4: Simplify right side
    1,557,533.60x = 1,868,649,420,779.69
  5. Step 5: Solve for x
    x = 1,868,649,420,779.69/1,557,533.60
  6. Step 6: Final answer
    x = 1,199,749.03

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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.