Home / 1,255,273.20-1,882,909.80-413,715.60

Finding the Fourth Proportional to 1,255,273.20, 1,882,909.80 and 413,715.60

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Solution

The fourth proportional to 1,255,273.20, 1,882,909.80 and 413,715.60 is: 620,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,273.20 : 1,882,909.80 = 413,715.60 : x
  2. Step 2: Convert to fraction form
    1,255,273.20/1,882,909.80 = 413,715.60/x
  3. Step 3: Cross multiply
    1,255,273.20x = 1,882,909.80 × 413,715.60
  4. Step 4: Simplify right side
    1,255,273.20x = 778,989,157,652.88
  5. Step 5: Solve for x
    x = 778,989,157,652.88/1,255,273.20
  6. Step 6: Final answer
    x = 620,573.40

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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.