Home / 1,038,431.78-1,433,102.73-585,713.06

Finding the Fourth Proportional to 1,038,431.78, 1,433,102.73 and 585,713.06

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Solution

The fourth proportional to 1,038,431.78, 1,433,102.73 and 585,713.06 is: 808,321.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,431.78 : 1,433,102.73 = 585,713.06 : x
  2. Step 2: Convert to fraction form
    1,038,431.78/1,433,102.73 = 585,713.06/x
  3. Step 3: Cross multiply
    1,038,431.78x = 1,433,102.73 × 585,713.06
  4. Step 4: Simplify right side
    1,038,431.78x = 839,386,985,282.65
  5. Step 5: Solve for x
    x = 839,386,985,282.65/1,038,431.78
  6. Step 6: Final answer
    x = 808,321.74

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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.