Home / 1,686,291.59-2,529,413.97-406,888.38

Finding the Fourth Proportional to 1,686,291.59, 2,529,413.97 and 406,888.38

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Solution

The fourth proportional to 1,686,291.59, 2,529,413.97 and 406,888.38 is: 610,326.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,291.59 : 2,529,413.97 = 406,888.38 : x
  2. Step 2: Convert to fraction form
    1,686,291.59/2,529,413.97 = 406,888.38/x
  3. Step 3: Cross multiply
    1,686,291.59x = 2,529,413.97 × 406,888.38
  4. Step 4: Simplify right side
    1,686,291.59x = 1,029,189,152,602.67
  5. Step 5: Solve for x
    x = 1,029,189,152,602.67/1,686,291.59
  6. Step 6: Final answer
    x = 610,326.92

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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.