Home / 931,656.68-1,285,615.50-523,693.64

Finding the Fourth Proportional to 931,656.68, 1,285,615.50 and 523,693.64

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Solution

The fourth proportional to 931,656.68, 1,285,615.50 and 523,693.64 is: 722,657.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,656.68 : 1,285,615.50 = 523,693.64 : x
  2. Step 2: Convert to fraction form
    931,656.68/1,285,615.50 = 523,693.64/x
  3. Step 3: Cross multiply
    931,656.68x = 1,285,615.50 × 523,693.64
  4. Step 4: Simplify right side
    931,656.68x = 673,268,660,835.42
  5. Step 5: Solve for x
    x = 673,268,660,835.42/931,656.68
  6. Step 6: Final answer
    x = 722,657.47

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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.