Home / 672,321.10-943,611.50-672,321.10

Finding the Fourth Proportional to 672,321.10, 943,611.50 and 672,321.10

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Solution

The fourth proportional to 672,321.10, 943,611.50 and 672,321.10 is: 943,611.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,321.10 : 943,611.50 = 672,321.10 : x
  2. Step 2: Convert to fraction form
    672,321.10/943,611.50 = 672,321.10/x
  3. Step 3: Cross multiply
    672,321.10x = 943,611.50 × 672,321.10
  4. Step 4: Simplify right side
    672,321.10x = 634,409,921,652.65
  5. Step 5: Solve for x
    x = 634,409,921,652.65/672,321.10
  6. Step 6: Final answer
    x = 943,611.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.