Home / 826,024-1,140,313.56-553,992.40

Finding the Fourth Proportional to 826,024, 1,140,313.56 and 553,992.40

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Solution

The fourth proportional to 826,024, 1,140,313.56 and 553,992.40 is: 764,778.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,024 : 1,140,313.56 = 553,992.40 : x
  2. Step 2: Convert to fraction form
    826,024/1,140,313.56 = 553,992.40/x
  3. Step 3: Cross multiply
    826,024x = 1,140,313.56 × 553,992.40
  4. Step 4: Simplify right side
    826,024x = 631,725,045,856.94
  5. Step 5: Solve for x
    x = 631,725,045,856.94/826,024
  6. Step 6: Final answer
    x = 764,778.08

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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.