Home / 1,218,710.44-1,681,774.14-674,803

Finding the Fourth Proportional to 1,218,710.44, 1,681,774.14 and 674,803

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Solution

The fourth proportional to 1,218,710.44, 1,681,774.14 and 674,803 is: 931,202.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,710.44 : 1,681,774.14 = 674,803 : x
  2. Step 2: Convert to fraction form
    1,218,710.44/1,681,774.14 = 674,803/x
  3. Step 3: Cross multiply
    1,218,710.44x = 1,681,774.14 × 674,803
  4. Step 4: Simplify right side
    1,218,710.44x = 1,134,866,234,994.42
  5. Step 5: Solve for x
    x = 1,134,866,234,994.42/1,218,710.44
  6. Step 6: Final answer
    x = 931,202.52

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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.