Home / 808,533.60-1,211,779.80-409,284.60

Finding the Fourth Proportional to 808,533.60, 1,211,779.80 and 409,284.60

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Solution

The fourth proportional to 808,533.60, 1,211,779.80 and 409,284.60 is: 613,410.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,533.60 : 1,211,779.80 = 409,284.60 : x
  2. Step 2: Convert to fraction form
    808,533.60/1,211,779.80 = 409,284.60/x
  3. Step 3: Cross multiply
    808,533.60x = 1,211,779.80 × 409,284.60
  4. Step 4: Simplify right side
    808,533.60x = 495,962,810,731.08
  5. Step 5: Solve for x
    x = 495,962,810,731.08/808,533.60
  6. Step 6: Final answer
    x = 613,410.27

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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.