Home / 931,685.73-1,285,718.56-523,789.39

Finding the Fourth Proportional to 931,685.73, 1,285,718.56 and 523,789.39

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Solution

The fourth proportional to 931,685.73, 1,285,718.56 and 523,789.39 is: 722,825.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,685.73 : 1,285,718.56 = 523,789.39 : x
  2. Step 2: Convert to fraction form
    931,685.73/1,285,718.56 = 523,789.39/x
  3. Step 3: Cross multiply
    931,685.73x = 1,285,718.56 × 523,789.39
  4. Step 4: Simplify right side
    931,685.73x = 673,445,740,254.08
  5. Step 5: Solve for x
    x = 673,445,740,254.08/931,685.73
  6. Step 6: Final answer
    x = 722,825.00

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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.