Home / 930,997.02-1,284,776.74-528,589.02

Finding the Fourth Proportional to 930,997.02, 1,284,776.74 and 528,589.02

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Solution

The fourth proportional to 930,997.02, 1,284,776.74 and 528,589.02 is: 729,453.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,997.02 : 1,284,776.74 = 528,589.02 : x
  2. Step 2: Convert to fraction form
    930,997.02/1,284,776.74 = 528,589.02/x
  3. Step 3: Cross multiply
    930,997.02x = 1,284,776.74 × 528,589.02
  4. Step 4: Simplify right side
    930,997.02x = 679,118,877,915.40
  5. Step 5: Solve for x
    x = 679,118,877,915.40/930,997.02
  6. Step 6: Final answer
    x = 729,453.33

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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.