Home / 702,945.80-1,054,418.70-675,389.60

Finding the Fourth Proportional to 702,945.80, 1,054,418.70 and 675,389.60

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Solution

The fourth proportional to 702,945.80, 1,054,418.70 and 675,389.60 is: 1,013,084.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,945.80 : 1,054,418.70 = 675,389.60 : x
  2. Step 2: Convert to fraction form
    702,945.80/1,054,418.70 = 675,389.60/x
  3. Step 3: Cross multiply
    702,945.80x = 1,054,418.70 × 675,389.60
  4. Step 4: Simplify right side
    702,945.80x = 712,143,424,025.52
  5. Step 5: Solve for x
    x = 712,143,424,025.52/702,945.80
  6. Step 6: Final answer
    x = 1,013,084.40

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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.