Home / 913,806.20-1,261,826.70-574,383.80

Finding the Fourth Proportional to 913,806.20, 1,261,826.70 and 574,383.80

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Solution

The fourth proportional to 913,806.20, 1,261,826.70 and 574,383.80 is: 793,136.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,806.20 : 1,261,826.70 = 574,383.80 : x
  2. Step 2: Convert to fraction form
    913,806.20/1,261,826.70 = 574,383.80/x
  3. Step 3: Cross multiply
    913,806.20x = 1,261,826.70 × 574,383.80
  4. Step 4: Simplify right side
    913,806.20x = 724,772,814,887.46
  5. Step 5: Solve for x
    x = 724,772,814,887.46/913,806.20
  6. Step 6: Final answer
    x = 793,136.24

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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.