Home / 1,118,113.50-1,543,021.96-634,633.42

Finding the Fourth Proportional to 1,118,113.50, 1,543,021.96 and 634,633.42

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Solution

The fourth proportional to 1,118,113.50, 1,543,021.96 and 634,633.42 is: 875,808.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,113.50 : 1,543,021.96 = 634,633.42 : x
  2. Step 2: Convert to fraction form
    1,118,113.50/1,543,021.96 = 634,633.42/x
  3. Step 3: Cross multiply
    1,118,113.50x = 1,543,021.96 × 634,633.42
  4. Step 4: Simplify right side
    1,118,113.50x = 979,253,303,609.90
  5. Step 5: Solve for x
    x = 979,253,303,609.90/1,118,113.50
  6. Step 6: Final answer
    x = 875,808.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.