Home / 683,030.43-942,583.30-377,107.40

Finding the Fourth Proportional to 683,030.43, 942,583.30 and 377,107.40

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Solution

The fourth proportional to 683,030.43, 942,583.30 and 377,107.40 is: 520,408.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,030.43 : 942,583.30 = 377,107.40 : x
  2. Step 2: Convert to fraction form
    683,030.43/942,583.30 = 377,107.40/x
  3. Step 3: Cross multiply
    683,030.43x = 942,583.30 × 377,107.40
  4. Step 4: Simplify right side
    683,030.43x = 355,455,138,960.11
  5. Step 5: Solve for x
    x = 355,455,138,960.11/683,030.43
  6. Step 6: Final answer
    x = 520,408.94

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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.