Home / 1,509,886-2,083,657.26-830,837.08

Finding the Fourth Proportional to 1,509,886, 2,083,657.26 and 830,837.08

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Solution

The fourth proportional to 1,509,886, 2,083,657.26 and 830,837.08 is: 1,146,563.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,886 : 2,083,657.26 = 830,837.08 : x
  2. Step 2: Convert to fraction form
    1,509,886/2,083,657.26 = 830,837.08/x
  3. Step 3: Cross multiply
    1,509,886x = 2,083,657.26 × 830,837.08
  4. Step 4: Simplify right side
    1,509,886x = 1,731,179,713,619.20
  5. Step 5: Solve for x
    x = 1,731,179,713,619.20/1,509,886
  6. Step 6: Final answer
    x = 1,146,563.19

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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.