Home / 380,619.39-571,056.55-124,463.77

Finding the Fourth Proportional to 380,619.39, 571,056.55 and 124,463.77

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Solution

The fourth proportional to 380,619.39, 571,056.55 and 124,463.77 is: 186,737.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,619.39 : 571,056.55 = 124,463.77 : x
  2. Step 2: Convert to fraction form
    380,619.39/571,056.55 = 124,463.77/x
  3. Step 3: Cross multiply
    380,619.39x = 571,056.55 × 124,463.77
  4. Step 4: Simplify right side
    380,619.39x = 71,075,851,096.19
  5. Step 5: Solve for x
    x = 71,075,851,096.19/380,619.39
  6. Step 6: Final answer
    x = 186,737.34

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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.