Home / 656,829.80-985,244.70-550,541.60

Finding the Fourth Proportional to 656,829.80, 985,244.70 and 550,541.60

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Solution

The fourth proportional to 656,829.80, 985,244.70 and 550,541.60 is: 825,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,829.80 : 985,244.70 = 550,541.60 : x
  2. Step 2: Convert to fraction form
    656,829.80/985,244.70 = 550,541.60/x
  3. Step 3: Cross multiply
    656,829.80x = 985,244.70 × 550,541.60
  4. Step 4: Simplify right side
    656,829.80x = 542,418,193,529.52
  5. Step 5: Solve for x
    x = 542,418,193,529.52/656,829.80
  6. Step 6: Final answer
    x = 825,812.40

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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.