Home / 1,178,082.40-1,768,045.20-547,074.40

Finding the Fourth Proportional to 1,178,082.40, 1,768,045.20 and 547,074.40

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Solution

The fourth proportional to 1,178,082.40, 1,768,045.20 and 547,074.40 is: 821,039.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,082.40 : 1,768,045.20 = 547,074.40 : x
  2. Step 2: Convert to fraction form
    1,178,082.40/1,768,045.20 = 547,074.40/x
  3. Step 3: Cross multiply
    1,178,082.40x = 1,768,045.20 × 547,074.40
  4. Step 4: Simplify right side
    1,178,082.40x = 967,252,266,962.88
  5. Step 5: Solve for x
    x = 967,252,266,962.88/1,178,082.40
  6. Step 6: Final answer
    x = 821,039.57

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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.