Home / 857,368.16-1,286,268.48-605,141.28

Finding the Fourth Proportional to 857,368.16, 1,286,268.48 and 605,141.28

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Solution

The fourth proportional to 857,368.16, 1,286,268.48 and 605,141.28 is: 907,864.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,368.16 : 1,286,268.48 = 605,141.28 : x
  2. Step 2: Convert to fraction form
    857,368.16/1,286,268.48 = 605,141.28/x
  3. Step 3: Cross multiply
    857,368.16x = 1,286,268.48 × 605,141.28
  4. Step 4: Simplify right side
    857,368.16x = 778,374,150,606.91
  5. Step 5: Solve for x
    x = 778,374,150,606.91/857,368.16
  6. Step 6: Final answer
    x = 907,864.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.