Home / 1,319,091.32-1,977,299.66-520,935.14

Finding the Fourth Proportional to 1,319,091.32, 1,977,299.66 and 520,935.14

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Solution

The fourth proportional to 1,319,091.32, 1,977,299.66 and 520,935.14 is: 780,874.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,091.32 : 1,977,299.66 = 520,935.14 : x
  2. Step 2: Convert to fraction form
    1,319,091.32/1,977,299.66 = 520,935.14/x
  3. Step 3: Cross multiply
    1,319,091.32x = 1,977,299.66 × 520,935.14
  4. Step 4: Simplify right side
    1,319,091.32x = 1,030,044,875,204.05
  5. Step 5: Solve for x
    x = 1,030,044,875,204.05/1,319,091.32
  6. Step 6: Final answer
    x = 780,874.58

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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.