Home / 930,355.94-1,284,030-567,989.84

Finding the Fourth Proportional to 930,355.94, 1,284,030 and 567,989.84

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Solution

The fourth proportional to 930,355.94, 1,284,030 and 567,989.84 is: 783,910.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,355.94 : 1,284,030 = 567,989.84 : x
  2. Step 2: Convert to fraction form
    930,355.94/1,284,030 = 567,989.84/x
  3. Step 3: Cross multiply
    930,355.94x = 1,284,030 × 567,989.84
  4. Step 4: Simplify right side
    930,355.94x = 729,315,994,255.20
  5. Step 5: Solve for x
    x = 729,315,994,255.20/930,355.94
  6. Step 6: Final answer
    x = 783,910.72

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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.