Home / 455,580.20-683,370.30-433,807.40

Finding the Fourth Proportional to 455,580.20, 683,370.30 and 433,807.40

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Solution

The fourth proportional to 455,580.20, 683,370.30 and 433,807.40 is: 650,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,580.20 : 683,370.30 = 433,807.40 : x
  2. Step 2: Convert to fraction form
    455,580.20/683,370.30 = 433,807.40/x
  3. Step 3: Cross multiply
    455,580.20x = 683,370.30 × 433,807.40
  4. Step 4: Simplify right side
    455,580.20x = 296,451,093,080.22
  5. Step 5: Solve for x
    x = 296,451,093,080.22/455,580.20
  6. Step 6: Final answer
    x = 650,711.10

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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.