Home / 930,989.02-1,284,765.69-528,581.02

Finding the Fourth Proportional to 930,989.02, 1,284,765.69 and 528,581.02

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Solution

The fourth proportional to 930,989.02, 1,284,765.69 and 528,581.02 is: 729,442.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,989.02 : 1,284,765.69 = 528,581.02 : x
  2. Step 2: Convert to fraction form
    930,989.02/1,284,765.69 = 528,581.02/x
  3. Step 3: Cross multiply
    930,989.02x = 1,284,765.69 × 528,581.02
  4. Step 4: Simplify right side
    930,989.02x = 679,102,758,881.20
  5. Step 5: Solve for x
    x = 679,102,758,881.20/930,989.02
  6. Step 6: Final answer
    x = 729,442.29

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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.