Home / 858,903.56-1,185,396.24-519,374.24

Finding the Fourth Proportional to 858,903.56, 1,185,396.24 and 519,374.24

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Solution

The fourth proportional to 858,903.56, 1,185,396.24 and 519,374.24 is: 716,802.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,903.56 : 1,185,396.24 = 519,374.24 : x
  2. Step 2: Convert to fraction form
    858,903.56/1,185,396.24 = 519,374.24/x
  3. Step 3: Cross multiply
    858,903.56x = 1,185,396.24 × 519,374.24
  4. Step 4: Simplify right side
    858,903.56x = 615,664,271,248.86
  5. Step 5: Solve for x
    x = 615,664,271,248.86/858,903.56
  6. Step 6: Final answer
    x = 716,802.56

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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.