Home / 1,170,854.55-1,615,187.52-783,686.16

Finding the Fourth Proportional to 1,170,854.55, 1,615,187.52 and 783,686.16

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Solution

The fourth proportional to 1,170,854.55, 1,615,187.52 and 783,686.16 is: 1,081,090.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,854.55 : 1,615,187.52 = 783,686.16 : x
  2. Step 2: Convert to fraction form
    1,170,854.55/1,615,187.52 = 783,686.16/x
  3. Step 3: Cross multiply
    1,170,854.55x = 1,615,187.52 × 783,686.16
  4. Step 4: Simplify right side
    1,170,854.55x = 1,265,800,105,228.72
  5. Step 5: Solve for x
    x = 1,265,800,105,228.72/1,170,854.55
  6. Step 6: Final answer
    x = 1,081,090.82

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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.