Home / 1,138,223.10-1,710,287.10-1,008,315.30

Finding the Fourth Proportional to 1,138,223.10, 1,710,287.10 and 1,008,315.30

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Solution

The fourth proportional to 1,138,223.10, 1,710,287.10 and 1,008,315.30 is: 1,515,088.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,223.10 : 1,710,287.10 = 1,008,315.30 : x
  2. Step 2: Convert to fraction form
    1,138,223.10/1,710,287.10 = 1,008,315.30/x
  3. Step 3: Cross multiply
    1,138,223.10x = 1,710,287.10 × 1,008,315.30
  4. Step 4: Simplify right side
    1,138,223.10x = 1,724,508,650,322.63
  5. Step 5: Solve for x
    x = 1,724,508,650,322.63/1,138,223.10
  6. Step 6: Final answer
    x = 1,515,088.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.