Home / 1,177,142.48-1,765,401.72-324,011.60

Finding the Fourth Proportional to 1,177,142.48, 1,765,401.72 and 324,011.60

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Solution

The fourth proportional to 1,177,142.48, 1,765,401.72 and 324,011.60 is: 485,931.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,142.48 : 1,765,401.72 = 324,011.60 : x
  2. Step 2: Convert to fraction form
    1,177,142.48/1,765,401.72 = 324,011.60/x
  3. Step 3: Cross multiply
    1,177,142.48x = 1,765,401.72 × 324,011.60
  4. Step 4: Simplify right side
    1,177,142.48x = 572,010,635,939.95
  5. Step 5: Solve for x
    x = 572,010,635,939.95/1,177,142.48
  6. Step 6: Final answer
    x = 485,931.52

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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.