Home / 1,178,086.40-1,768,051.20-547,078.40

Finding the Fourth Proportional to 1,178,086.40, 1,768,051.20 and 547,078.40

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Solution

The fourth proportional to 1,178,086.40, 1,768,051.20 and 547,078.40 is: 821,045.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,086.40 : 1,768,051.20 = 547,078.40 : x
  2. Step 2: Convert to fraction form
    1,178,086.40/1,768,051.20 = 547,078.40/x
  3. Step 3: Cross multiply
    1,178,086.40x = 1,768,051.20 × 547,078.40
  4. Step 4: Simplify right side
    1,178,086.40x = 967,262,621,614.08
  5. Step 5: Solve for x
    x = 967,262,621,614.08/1,178,086.40
  6. Step 6: Final answer
    x = 821,045.57

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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.