Home / 1,278,182.96-1,763,898.12-705,222.80

Finding the Fourth Proportional to 1,278,182.96, 1,763,898.12 and 705,222.80

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Solution

The fourth proportional to 1,278,182.96, 1,763,898.12 and 705,222.80 is: 973,210.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,182.96 : 1,763,898.12 = 705,222.80 : x
  2. Step 2: Convert to fraction form
    1,278,182.96/1,763,898.12 = 705,222.80/x
  3. Step 3: Cross multiply
    1,278,182.96x = 1,763,898.12 × 705,222.80
  4. Step 4: Simplify right side
    1,278,182.96x = 1,243,941,171,101.14
  5. Step 5: Solve for x
    x = 1,243,941,171,101.14/1,278,182.96
  6. Step 6: Final answer
    x = 973,210.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.