Home / 1,299,460.80-1,793,730.75-783,233.13

Finding the Fourth Proportional to 1,299,460.80, 1,793,730.75 and 783,233.13

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Solution

The fourth proportional to 1,299,460.80, 1,793,730.75 and 783,233.13 is: 1,081,147.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,460.80 : 1,793,730.75 = 783,233.13 : x
  2. Step 2: Convert to fraction form
    1,299,460.80/1,793,730.75 = 783,233.13/x
  3. Step 3: Cross multiply
    1,299,460.80x = 1,793,730.75 × 783,233.13
  4. Step 4: Simplify right side
    1,299,460.80x = 1,404,909,349,699.75
  5. Step 5: Solve for x
    x = 1,404,909,349,699.75/1,299,460.80
  6. Step 6: Final answer
    x = 1,081,147.93

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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.