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Finding the Fourth Proportional to 1,409,810.63, 1,945,488.33 and 797,950.25

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Solution

The fourth proportional to 1,409,810.63, 1,945,488.33 and 797,950.25 is: 1,101,142.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,810.63 : 1,945,488.33 = 797,950.25 : x
  2. Step 2: Convert to fraction form
    1,409,810.63/1,945,488.33 = 797,950.25/x
  3. Step 3: Cross multiply
    1,409,810.63x = 1,945,488.33 × 797,950.25
  4. Step 4: Simplify right side
    1,409,810.63x = 1,552,402,908,703.53
  5. Step 5: Solve for x
    x = 1,552,402,908,703.53/1,409,810.63
  6. Step 6: Final answer
    x = 1,101,142.86

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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.