Home / 683,024.85-942,569.89-377,120.30

Finding the Fourth Proportional to 683,024.85, 942,569.89 and 377,120.30

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Solution

The fourth proportional to 683,024.85, 942,569.89 and 377,120.30 is: 520,423.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,024.85 : 942,569.89 = 377,120.30 : x
  2. Step 2: Convert to fraction form
    683,024.85/942,569.89 = 377,120.30/x
  3. Step 3: Cross multiply
    683,024.85x = 942,569.89 × 377,120.30
  4. Step 4: Simplify right side
    683,024.85x = 355,462,239,687.77
  5. Step 5: Solve for x
    x = 355,462,239,687.77/683,024.85
  6. Step 6: Final answer
    x = 520,423.58

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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.