Home / 738,280.60-1,103,374.84-539,020.60

Finding the Fourth Proportional to 738,280.60, 1,103,374.84 and 539,020.60

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Solution

The fourth proportional to 738,280.60, 1,103,374.84 and 539,020.60 is: 805,576.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,280.60 : 1,103,374.84 = 539,020.60 : x
  2. Step 2: Convert to fraction form
    738,280.60/1,103,374.84 = 539,020.60/x
  3. Step 3: Cross multiply
    738,280.60x = 1,103,374.84 × 539,020.60
  4. Step 4: Simplify right side
    738,280.60x = 594,741,768,281.70
  5. Step 5: Solve for x
    x = 594,741,768,281.70/738,280.60
  6. Step 6: Final answer
    x = 805,576.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.