Home / 1,211,646.24-1,670,706-775,492.56

Finding the Fourth Proportional to 1,211,646.24, 1,670,706 and 775,492.56

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Solution

The fourth proportional to 1,211,646.24, 1,670,706 and 775,492.56 is: 1,069,305.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,646.24 : 1,670,706 = 775,492.56 : x
  2. Step 2: Convert to fraction form
    1,211,646.24/1,670,706 = 775,492.56/x
  3. Step 3: Cross multiply
    1,211,646.24x = 1,670,706 × 775,492.56
  4. Step 4: Simplify right side
    1,211,646.24x = 1,295,620,072,947.36
  5. Step 5: Solve for x
    x = 1,295,620,072,947.36/1,211,646.24
  6. Step 6: Final answer
    x = 1,069,305.57

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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.