Home / 911,533.50-1,257,941.64-503,661.60

Finding the Fourth Proportional to 911,533.50, 1,257,941.64 and 503,661.60

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Solution

The fourth proportional to 911,533.50, 1,257,941.64 and 503,661.60 is: 695,067.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,533.50 : 1,257,941.64 = 503,661.60 : x
  2. Step 2: Convert to fraction form
    911,533.50/1,257,941.64 = 503,661.60/x
  3. Step 3: Cross multiply
    911,533.50x = 1,257,941.64 × 503,661.60
  4. Step 4: Simplify right side
    911,533.50x = 633,576,899,109.02
  5. Step 5: Solve for x
    x = 633,576,899,109.02/911,533.50
  6. Step 6: Final answer
    x = 695,067.05

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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.