Home / 930,971.25-1,284,741.54-528,563.25

Finding the Fourth Proportional to 930,971.25, 1,284,741.54 and 528,563.25

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Solution

The fourth proportional to 930,971.25, 1,284,741.54 and 528,563.25 is: 729,417.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,971.25 : 1,284,741.54 = 528,563.25 : x
  2. Step 2: Convert to fraction form
    930,971.25/1,284,741.54 = 528,563.25/x
  3. Step 3: Cross multiply
    930,971.25x = 1,284,741.54 × 528,563.25
  4. Step 4: Simplify right side
    930,971.25x = 679,067,163,792.41
  5. Step 5: Solve for x
    x = 679,067,163,792.41/930,971.25
  6. Step 6: Final answer
    x = 729,417.97

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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.