Home / 1,705,639.26-2,350,978.02-1,209,089.37

Finding the Fourth Proportional to 1,705,639.26, 2,350,978.02 and 1,209,089.37

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Solution

The fourth proportional to 1,705,639.26, 2,350,978.02 and 1,209,089.37 is: 1,666,555.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705,639.26 : 2,350,978.02 = 1,209,089.37 : x
  2. Step 2: Convert to fraction form
    1,705,639.26/2,350,978.02 = 1,209,089.37/x
  3. Step 3: Cross multiply
    1,705,639.26x = 2,350,978.02 × 1,209,089.37
  4. Step 4: Simplify right side
    1,705,639.26x = 2,842,542,533,085.65
  5. Step 5: Solve for x
    x = 2,842,542,533,085.65/1,705,639.26
  6. Step 6: Final answer
    x = 1,666,555.53

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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.