Home / 949,374.24-1,310,085.68-519,571.20

Finding the Fourth Proportional to 949,374.24, 1,310,085.68 and 519,571.20

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Solution

The fourth proportional to 949,374.24, 1,310,085.68 and 519,571.20 is: 716,980.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,374.24 : 1,310,085.68 = 519,571.20 : x
  2. Step 2: Convert to fraction form
    949,374.24/1,310,085.68 = 519,571.20/x
  3. Step 3: Cross multiply
    949,374.24x = 1,310,085.68 × 519,571.20
  4. Step 4: Simplify right side
    949,374.24x = 680,682,788,860.42
  5. Step 5: Solve for x
    x = 680,682,788,860.42/949,374.24
  6. Step 6: Final answer
    x = 716,980.47

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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.