Home / 1,213,623.51-1,820,632.10-455,524.26

Finding the Fourth Proportional to 1,213,623.51, 1,820,632.10 and 455,524.26

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Solution

The fourth proportional to 1,213,623.51, 1,820,632.10 and 455,524.26 is: 683,360.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,623.51 : 1,820,632.10 = 455,524.26 : x
  2. Step 2: Convert to fraction form
    1,213,623.51/1,820,632.10 = 455,524.26/x
  3. Step 3: Cross multiply
    1,213,623.51x = 1,820,632.10 × 455,524.26
  4. Step 4: Simplify right side
    1,213,623.51x = 829,342,087,807.13
  5. Step 5: Solve for x
    x = 829,342,087,807.13/1,213,623.51
  6. Step 6: Final answer
    x = 683,360.27

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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.