Home / 1,308,953.93-1,805,618.34-785,530.68

Finding the Fourth Proportional to 1,308,953.93, 1,805,618.34 and 785,530.68

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Solution

The fourth proportional to 1,308,953.93, 1,805,618.34 and 785,530.68 is: 1,083,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,953.93 : 1,805,618.34 = 785,530.68 : x
  2. Step 2: Convert to fraction form
    1,308,953.93/1,805,618.34 = 785,530.68/x
  3. Step 3: Cross multiply
    1,308,953.93x = 1,805,618.34 × 785,530.68
  4. Step 4: Simplify right side
    1,308,953.93x = 1,418,368,595,669.60
  5. Step 5: Solve for x
    x = 1,418,368,595,669.60/1,308,953.93
  6. Step 6: Final answer
    x = 1,083,589.40

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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.