Home / 980,030.70-1,352,349.90-550,226.88

Finding the Fourth Proportional to 980,030.70, 1,352,349.90 and 550,226.88

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Solution

The fourth proportional to 980,030.70, 1,352,349.90 and 550,226.88 is: 759,261.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,030.70 : 1,352,349.90 = 550,226.88 : x
  2. Step 2: Convert to fraction form
    980,030.70/1,352,349.90 = 550,226.88/x
  3. Step 3: Cross multiply
    980,030.70x = 1,352,349.90 × 550,226.88
  4. Step 4: Simplify right side
    980,030.70x = 744,099,266,145.31
  5. Step 5: Solve for x
    x = 744,099,266,145.31/980,030.70
  6. Step 6: Final answer
    x = 759,261.18

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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.