Home / 888,701.72-1,226,439.92-501,611.40

Finding the Fourth Proportional to 888,701.72, 1,226,439.92 and 501,611.40

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Solution

The fourth proportional to 888,701.72, 1,226,439.92 and 501,611.40 is: 692,241.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,701.72 : 1,226,439.92 = 501,611.40 : x
  2. Step 2: Convert to fraction form
    888,701.72/1,226,439.92 = 501,611.40/x
  3. Step 3: Cross multiply
    888,701.72x = 1,226,439.92 × 501,611.40
  4. Step 4: Simplify right side
    888,701.72x = 615,196,242,779.03
  5. Step 5: Solve for x
    x = 615,196,242,779.03/888,701.72
  6. Step 6: Final answer
    x = 692,241.54

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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.