Home / 1,351,853.93-1,865,430.83-807,881.42

Finding the Fourth Proportional to 1,351,853.93, 1,865,430.83 and 807,881.42

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Solution

The fourth proportional to 1,351,853.93, 1,865,430.83 and 807,881.42 is: 1,114,800.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,853.93 : 1,865,430.83 = 807,881.42 : x
  2. Step 2: Convert to fraction form
    1,351,853.93/1,865,430.83 = 807,881.42/x
  3. Step 3: Cross multiply
    1,351,853.93x = 1,865,430.83 × 807,881.42
  4. Step 4: Simplify right side
    1,351,853.93x = 1,507,046,907,852.18
  5. Step 5: Solve for x
    x = 1,507,046,907,852.18/1,351,853.93
  6. Step 6: Final answer
    x = 1,114,800.11

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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.