Home / 735,217.20-1,103,862.60-455,281.20

Finding the Fourth Proportional to 735,217.20, 1,103,862.60 and 455,281.20

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Solution

The fourth proportional to 735,217.20, 1,103,862.60 and 455,281.20 is: 683,563.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,217.20 : 1,103,862.60 = 455,281.20 : x
  2. Step 2: Convert to fraction form
    735,217.20/1,103,862.60 = 455,281.20/x
  3. Step 3: Cross multiply
    735,217.20x = 1,103,862.60 × 455,281.20
  4. Step 4: Simplify right side
    735,217.20x = 502,567,889,163.12
  5. Step 5: Solve for x
    x = 502,567,889,163.12/735,217.20
  6. Step 6: Final answer
    x = 683,563.84

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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.