Home / 1,219,165.16-1,682,430.14-675,299.16

Finding the Fourth Proportional to 1,219,165.16, 1,682,430.14 and 675,299.16

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Solution

The fourth proportional to 1,219,165.16, 1,682,430.14 and 675,299.16 is: 931,903.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,165.16 : 1,682,430.14 = 675,299.16 : x
  2. Step 2: Convert to fraction form
    1,219,165.16/1,682,430.14 = 675,299.16/x
  3. Step 3: Cross multiply
    1,219,165.16x = 1,682,430.14 × 675,299.16
  4. Step 4: Simplify right side
    1,219,165.16x = 1,136,143,661,988.93
  5. Step 5: Solve for x
    x = 1,136,143,661,988.93/1,219,165.16
  6. Step 6: Final answer
    x = 931,903.00

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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.