Home / 983,829.44-1,357,687.47-570,446.35

Finding the Fourth Proportional to 983,829.44, 1,357,687.47 and 570,446.35

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Solution

The fourth proportional to 983,829.44, 1,357,687.47 and 570,446.35 is: 787,217.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,829.44 : 1,357,687.47 = 570,446.35 : x
  2. Step 2: Convert to fraction form
    983,829.44/1,357,687.47 = 570,446.35/x
  3. Step 3: Cross multiply
    983,829.44x = 1,357,687.47 × 570,446.35
  4. Step 4: Simplify right side
    983,829.44x = 774,487,860,447.19
  5. Step 5: Solve for x
    x = 774,487,860,447.19/983,829.44
  6. Step 6: Final answer
    x = 787,217.61

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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.