Home / 930,988.02-1,284,764.31-528,580.02

Finding the Fourth Proportional to 930,988.02, 1,284,764.31 and 528,580.02

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Solution

The fourth proportional to 930,988.02, 1,284,764.31 and 528,580.02 is: 729,440.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,988.02 : 1,284,764.31 = 528,580.02 : x
  2. Step 2: Convert to fraction form
    930,988.02/1,284,764.31 = 528,580.02/x
  3. Step 3: Cross multiply
    930,988.02x = 1,284,764.31 × 528,580.02
  4. Step 4: Simplify right side
    930,988.02x = 679,100,744,675.09
  5. Step 5: Solve for x
    x = 679,100,744,675.09/930,988.02
  6. Step 6: Final answer
    x = 729,440.91

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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.