Home / 571,030.80-856,546.20-359,984.40

Finding the Fourth Proportional to 571,030.80, 856,546.20 and 359,984.40

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Solution

The fourth proportional to 571,030.80, 856,546.20 and 359,984.40 is: 539,976.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,030.80 : 856,546.20 = 359,984.40 : x
  2. Step 2: Convert to fraction form
    571,030.80/856,546.20 = 359,984.40/x
  3. Step 3: Cross multiply
    571,030.80x = 856,546.20 × 359,984.40
  4. Step 4: Simplify right side
    571,030.80x = 308,343,269,879.28
  5. Step 5: Solve for x
    x = 308,343,269,879.28/571,030.80
  6. Step 6: Final answer
    x = 539,976.60

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Similar ratio
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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.