Home / 809,266.40-1,116,102-486,916.27

Finding the Fourth Proportional to 809,266.40, 1,116,102 and 486,916.27

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Solution

The fourth proportional to 809,266.40, 1,116,102 and 486,916.27 is: 671,531.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,266.40 : 1,116,102 = 486,916.27 : x
  2. Step 2: Convert to fraction form
    809,266.40/1,116,102 = 486,916.27/x
  3. Step 3: Cross multiply
    809,266.40x = 1,116,102 × 486,916.27
  4. Step 4: Simplify right side
    809,266.40x = 543,448,222,779.54
  5. Step 5: Solve for x
    x = 543,448,222,779.54/809,266.40
  6. Step 6: Final answer
    x = 671,531.92

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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.