Home / 1,283,917.76-1,771,784.72-710,945.63

Finding the Fourth Proportional to 1,283,917.76, 1,771,784.72 and 710,945.63

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Solution

The fourth proportional to 1,283,917.76, 1,771,784.72 and 710,945.63 is: 981,092.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,917.76 : 1,771,784.72 = 710,945.63 : x
  2. Step 2: Convert to fraction form
    1,283,917.76/1,771,784.72 = 710,945.63/x
  3. Step 3: Cross multiply
    1,283,917.76x = 1,771,784.72 × 710,945.63
  4. Step 4: Simplify right side
    1,283,917.76x = 1,259,642,603,984.77
  5. Step 5: Solve for x
    x = 1,259,642,603,984.77/1,283,917.76
  6. Step 6: Final answer
    x = 981,092.90

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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.