Home / 1,326,186-1,830,136.68-722,574

Finding the Fourth Proportional to 1,326,186, 1,830,136.68 and 722,574

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Solution

The fourth proportional to 1,326,186, 1,830,136.68 and 722,574 is: 997,152.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,186 : 1,830,136.68 = 722,574 : x
  2. Step 2: Convert to fraction form
    1,326,186/1,830,136.68 = 722,574/x
  3. Step 3: Cross multiply
    1,326,186x = 1,830,136.68 × 722,574
  4. Step 4: Simplify right side
    1,326,186x = 1,322,409,181,414.32
  5. Step 5: Solve for x
    x = 1,322,409,181,414.32/1,326,186
  6. Step 6: Final answer
    x = 997,152.12

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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.