Home / 692,639.34-1,039,062.90-243,281

Finding the Fourth Proportional to 692,639.34, 1,039,062.90 and 243,281

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Solution

The fourth proportional to 692,639.34, 1,039,062.90 and 243,281 is: 364,957.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,639.34 : 1,039,062.90 = 243,281 : x
  2. Step 2: Convert to fraction form
    692,639.34/1,039,062.90 = 243,281/x
  3. Step 3: Cross multiply
    692,639.34x = 1,039,062.90 × 243,281
  4. Step 4: Simplify right side
    692,639.34x = 252,784,261,374.90
  5. Step 5: Solve for x
    x = 252,784,261,374.90/692,639.34
  6. Step 6: Final answer
    x = 364,957.99

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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.