Home / 892,594.80-1,231,779.42-490,186.80

Finding the Fourth Proportional to 892,594.80, 1,231,779.42 and 490,186.80

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Solution

The fourth proportional to 892,594.80, 1,231,779.42 and 490,186.80 is: 676,457.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,594.80 : 1,231,779.42 = 490,186.80 : x
  2. Step 2: Convert to fraction form
    892,594.80/1,231,779.42 = 490,186.80/x
  3. Step 3: Cross multiply
    892,594.80x = 1,231,779.42 × 490,186.80
  4. Step 4: Simplify right side
    892,594.80x = 603,802,012,195.66
  5. Step 5: Solve for x
    x = 603,802,012,195.66/892,594.80
  6. Step 6: Final answer
    x = 676,457.01

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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.