Home / 1,385,011.73-1,897,457.21-1,333,218.76

Finding the Fourth Proportional to 1,385,011.73, 1,897,457.21 and 1,333,218.76

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Solution

The fourth proportional to 1,385,011.73, 1,897,457.21 and 1,333,218.76 is: 1,826,501.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,011.73 : 1,897,457.21 = 1,333,218.76 : x
  2. Step 2: Convert to fraction form
    1,385,011.73/1,897,457.21 = 1,333,218.76/x
  3. Step 3: Cross multiply
    1,385,011.73x = 1,897,457.21 × 1,333,218.76
  4. Step 4: Simplify right side
    1,385,011.73x = 2,529,725,560,431.65
  5. Step 5: Solve for x
    x = 2,529,725,560,431.65/1,385,011.73
  6. Step 6: Final answer
    x = 1,826,501.19

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.