Home / 930,622.80-1,397,246.40-576,328.80

Finding the Fourth Proportional to 930,622.80, 1,397,246.40 and 576,328.80

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Solution

The fourth proportional to 930,622.80, 1,397,246.40 and 576,328.80 is: 865,305.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,622.80 : 1,397,246.40 = 576,328.80 : x
  2. Step 2: Convert to fraction form
    930,622.80/1,397,246.40 = 576,328.80/x
  3. Step 3: Cross multiply
    930,622.80x = 1,397,246.40 × 576,328.80
  4. Step 4: Simplify right side
    930,622.80x = 805,273,341,016.32
  5. Step 5: Solve for x
    x = 805,273,341,016.32/930,622.80
  6. Step 6: Final answer
    x = 865,305.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.