Home / 1,639,808.08-2,262,938.60-914,637.12

Finding the Fourth Proportional to 1,639,808.08, 2,262,938.60 and 914,637.12

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Solution

The fourth proportional to 1,639,808.08, 2,262,938.60 and 914,637.12 is: 1,262,201.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,808.08 : 2,262,938.60 = 914,637.12 : x
  2. Step 2: Convert to fraction form
    1,639,808.08/2,262,938.60 = 914,637.12/x
  3. Step 3: Cross multiply
    1,639,808.08x = 2,262,938.60 × 914,637.12
  4. Step 4: Simplify right side
    1,639,808.08x = 2,069,767,643,840.83
  5. Step 5: Solve for x
    x = 2,069,767,643,840.83/1,639,808.08
  6. Step 6: Final answer
    x = 1,262,201.15

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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.