Home / 861,636.92-1,292,641.80-262,582.24

Finding the Fourth Proportional to 861,636.92, 1,292,641.80 and 262,582.24

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Solution

The fourth proportional to 861,636.92, 1,292,641.80 and 262,582.24 is: 393,930.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,636.92 : 1,292,641.80 = 262,582.24 : x
  2. Step 2: Convert to fraction form
    861,636.92/1,292,641.80 = 262,582.24/x
  3. Step 3: Cross multiply
    861,636.92x = 1,292,641.80 × 262,582.24
  4. Step 4: Simplify right side
    861,636.92x = 339,424,779,361.63
  5. Step 5: Solve for x
    x = 339,424,779,361.63/861,636.92
  6. Step 6: Final answer
    x = 393,930.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.