Home / 931,599.10-1,285,233.51-587,321.74

Finding the Fourth Proportional to 931,599.10, 1,285,233.51 and 587,321.74

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Solution

The fourth proportional to 931,599.10, 1,285,233.51 and 587,321.74 is: 810,268.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,599.10 : 1,285,233.51 = 587,321.74 : x
  2. Step 2: Convert to fraction form
    931,599.10/1,285,233.51 = 587,321.74/x
  3. Step 3: Cross multiply
    931,599.10x = 1,285,233.51 × 587,321.74
  4. Step 4: Simplify right side
    931,599.10x = 754,845,581,399.51
  5. Step 5: Solve for x
    x = 754,845,581,399.51/931,599.10
  6. Step 6: Final answer
    x = 810,268.69

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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.