Home / 686,596.20-1,029,894.30-462,647.40

Finding the Fourth Proportional to 686,596.20, 1,029,894.30 and 462,647.40

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Solution

The fourth proportional to 686,596.20, 1,029,894.30 and 462,647.40 is: 693,971.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,596.20 : 1,029,894.30 = 462,647.40 : x
  2. Step 2: Convert to fraction form
    686,596.20/1,029,894.30 = 462,647.40/x
  3. Step 3: Cross multiply
    686,596.20x = 1,029,894.30 × 462,647.40
  4. Step 4: Simplify right side
    686,596.20x = 476,477,920,169.82
  5. Step 5: Solve for x
    x = 476,477,920,169.82/686,596.20
  6. Step 6: Final answer
    x = 693,971.10

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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.