Home / 930,730.64-1,284,268.37-522,754.29

Finding the Fourth Proportional to 930,730.64, 1,284,268.37 and 522,754.29

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Solution

The fourth proportional to 930,730.64, 1,284,268.37 and 522,754.29 is: 721,322.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,730.64 : 1,284,268.37 = 522,754.29 : x
  2. Step 2: Convert to fraction form
    930,730.64/1,284,268.37 = 522,754.29/x
  3. Step 3: Cross multiply
    930,730.64x = 1,284,268.37 × 522,754.29
  4. Step 4: Simplify right side
    930,730.64x = 671,356,797,315.04
  5. Step 5: Solve for x
    x = 671,356,797,315.04/930,730.64
  6. Step 6: Final answer
    x = 721,322.34

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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.