Home / 785,348.60-1,178,022.90-682,705.40

Finding the Fourth Proportional to 785,348.60, 1,178,022.90 and 682,705.40

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Solution

The fourth proportional to 785,348.60, 1,178,022.90 and 682,705.40 is: 1,024,058.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,348.60 : 1,178,022.90 = 682,705.40 : x
  2. Step 2: Convert to fraction form
    785,348.60/1,178,022.90 = 682,705.40/x
  3. Step 3: Cross multiply
    785,348.60x = 1,178,022.90 × 682,705.40
  4. Step 4: Simplify right side
    785,348.60x = 804,242,595,153.66
  5. Step 5: Solve for x
    x = 804,242,595,153.66/785,348.60
  6. Step 6: Final answer
    x = 1,024,058.10

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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.