Home / 1,227,350.14-1,692,870.70-819,246.22

Finding the Fourth Proportional to 1,227,350.14, 1,692,870.70 and 819,246.22

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Solution

The fourth proportional to 1,227,350.14, 1,692,870.70 and 819,246.22 is: 1,129,977.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,350.14 : 1,692,870.70 = 819,246.22 : x
  2. Step 2: Convert to fraction form
    1,227,350.14/1,692,870.70 = 819,246.22/x
  3. Step 3: Cross multiply
    1,227,350.14x = 1,692,870.70 × 819,246.22
  4. Step 4: Simplify right side
    1,227,350.14x = 1,386,877,921,923.75
  5. Step 5: Solve for x
    x = 1,386,877,921,923.75/1,227,350.14
  6. Step 6: Final answer
    x = 1,129,977.40

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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.