Home / 683,135.40-1,024,703.10-459,186.60

Finding the Fourth Proportional to 683,135.40, 1,024,703.10 and 459,186.60

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Solution

The fourth proportional to 683,135.40, 1,024,703.10 and 459,186.60 is: 688,779.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,135.40 : 1,024,703.10 = 459,186.60 : x
  2. Step 2: Convert to fraction form
    683,135.40/1,024,703.10 = 459,186.60/x
  3. Step 3: Cross multiply
    683,135.40x = 1,024,703.10 × 459,186.60
  4. Step 4: Simplify right side
    683,135.40x = 470,529,932,498.46
  5. Step 5: Solve for x
    x = 470,529,932,498.46/683,135.40
  6. Step 6: Final answer
    x = 688,779.90

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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.