Home / 1,057,053.60-1,586,050.20-427,197.60

Finding the Fourth Proportional to 1,057,053.60, 1,586,050.20 and 427,197.60

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Solution

The fourth proportional to 1,057,053.60, 1,586,050.20 and 427,197.60 is: 640,986.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,053.60 : 1,586,050.20 = 427,197.60 : x
  2. Step 2: Convert to fraction form
    1,057,053.60/1,586,050.20 = 427,197.60/x
  3. Step 3: Cross multiply
    1,057,053.60x = 1,586,050.20 × 427,197.60
  4. Step 4: Simplify right side
    1,057,053.60x = 677,556,838,919.52
  5. Step 5: Solve for x
    x = 677,556,838,919.52/1,057,053.60
  6. Step 6: Final answer
    x = 640,986.26

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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.