Home / 683,142.29-942,731.57-377,237.69

Finding the Fourth Proportional to 683,142.29, 942,731.57 and 377,237.69

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Solution

The fourth proportional to 683,142.29, 942,731.57 and 377,237.69 is: 520,585.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,142.29 : 942,731.57 = 377,237.69 : x
  2. Step 2: Convert to fraction form
    683,142.29/942,731.57 = 377,237.69/x
  3. Step 3: Cross multiply
    683,142.29x = 942,731.57 × 377,237.69
  4. Step 4: Simplify right side
    683,142.29x = 355,633,877,870.69
  5. Step 5: Solve for x
    x = 355,633,877,870.69/683,142.29
  6. Step 6: Final answer
    x = 520,585.36

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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.