Home / 1,292,324.47-1,783,393.12-711,535.74

Finding the Fourth Proportional to 1,292,324.47, 1,783,393.12 and 711,535.74

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Solution

The fourth proportional to 1,292,324.47, 1,783,393.12 and 711,535.74 is: 981,911.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,324.47 : 1,783,393.12 = 711,535.74 : x
  2. Step 2: Convert to fraction form
    1,292,324.47/1,783,393.12 = 711,535.74/x
  3. Step 3: Cross multiply
    1,292,324.47x = 1,783,393.12 × 711,535.74
  4. Step 4: Simplify right side
    1,292,324.47x = 1,268,947,943,581.00
  5. Step 5: Solve for x
    x = 1,268,947,943,581.00/1,292,324.47
  6. Step 6: Final answer
    x = 981,911.25

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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.