Home / 682,403.60-1,023,605.40-524,939.60

Finding the Fourth Proportional to 682,403.60, 1,023,605.40 and 524,939.60

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Solution

The fourth proportional to 682,403.60, 1,023,605.40 and 524,939.60 is: 787,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,403.60 : 1,023,605.40 = 524,939.60 : x
  2. Step 2: Convert to fraction form
    682,403.60/1,023,605.40 = 524,939.60/x
  3. Step 3: Cross multiply
    682,403.60x = 1,023,605.40 × 524,939.60
  4. Step 4: Simplify right side
    682,403.60x = 537,331,009,233.84
  5. Step 5: Solve for x
    x = 537,331,009,233.84/682,403.60
  6. Step 6: Final answer
    x = 787,409.40

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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.