Home / 1,178,925.04-1,768,732.56-380,190.56

Finding the Fourth Proportional to 1,178,925.04, 1,768,732.56 and 380,190.56

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Solution

The fourth proportional to 1,178,925.04, 1,768,732.56 and 380,190.56 is: 570,397.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,925.04 : 1,768,732.56 = 380,190.56 : x
  2. Step 2: Convert to fraction form
    1,178,925.04/1,768,732.56 = 380,190.56/x
  3. Step 3: Cross multiply
    1,178,925.04x = 1,768,732.56 × 380,190.56
  4. Step 4: Simplify right side
    1,178,925.04x = 672,455,422,476.63
  5. Step 5: Solve for x
    x = 672,455,422,476.63/1,178,925.04
  6. Step 6: Final answer
    x = 570,397.10

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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.