Home / 1,662,413.56-2,490,011.61-1,020,769.63

Finding the Fourth Proportional to 1,662,413.56, 2,490,011.61 and 1,020,769.63

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Solution

The fourth proportional to 1,662,413.56, 2,490,011.61 and 1,020,769.63 is: 1,528,938.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662,413.56 : 2,490,011.61 = 1,020,769.63 : x
  2. Step 2: Convert to fraction form
    1,662,413.56/2,490,011.61 = 1,020,769.63/x
  3. Step 3: Cross multiply
    1,662,413.56x = 2,490,011.61 × 1,020,769.63
  4. Step 4: Simplify right side
    1,662,413.56x = 2,541,728,229,835.40
  5. Step 5: Solve for x
    x = 2,541,728,229,835.40/1,662,413.56
  6. Step 6: Final answer
    x = 1,528,938.58

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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.