Home / 809,303.74-1,116,833.67-441,779.40

Finding the Fourth Proportional to 809,303.74, 1,116,833.67 and 441,779.40

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Solution

The fourth proportional to 809,303.74, 1,116,833.67 and 441,779.40 is: 609,652.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,303.74 : 1,116,833.67 = 441,779.40 : x
  2. Step 2: Convert to fraction form
    809,303.74/1,116,833.67 = 441,779.40/x
  3. Step 3: Cross multiply
    809,303.74x = 1,116,833.67 × 441,779.40
  4. Step 4: Simplify right side
    809,303.74x = 493,394,108,632.40
  5. Step 5: Solve for x
    x = 493,394,108,632.40/809,303.74
  6. Step 6: Final answer
    x = 609,652.58

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Double scale
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1.5x scale

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.