Home / 826,459.92-1,140,452.12-463,813.71

Finding the Fourth Proportional to 826,459.92, 1,140,452.12 and 463,813.71

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Solution

The fourth proportional to 826,459.92, 1,140,452.12 and 463,813.71 is: 640,027.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,459.92 : 1,140,452.12 = 463,813.71 : x
  2. Step 2: Convert to fraction form
    826,459.92/1,140,452.12 = 463,813.71/x
  3. Step 3: Cross multiply
    826,459.92x = 1,140,452.12 × 463,813.71
  4. Step 4: Simplify right side
    826,459.92x = 528,957,326,535.50
  5. Step 5: Solve for x
    x = 528,957,326,535.50/826,459.92
  6. Step 6: Final answer
    x = 640,027.80

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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.