Home / 744,847.51-1,117,281.65-212,368.54

Finding the Fourth Proportional to 744,847.51, 1,117,281.65 and 212,368.54

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Solution

The fourth proportional to 744,847.51, 1,117,281.65 and 212,368.54 is: 318,555.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,847.51 : 1,117,281.65 = 212,368.54 : x
  2. Step 2: Convert to fraction form
    744,847.51/1,117,281.65 = 212,368.54/x
  3. Step 3: Cross multiply
    744,847.51x = 1,117,281.65 × 212,368.54
  4. Step 4: Simplify right side
    744,847.51x = 237,275,472,999.32
  5. Step 5: Solve for x
    x = 237,275,472,999.32/744,847.51
  6. Step 6: Final answer
    x = 318,555.77

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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.