Home / 460,127.34-690,589.60-459,063.40

Finding the Fourth Proportional to 460,127.34, 690,589.60 and 459,063.40

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Solution

The fourth proportional to 460,127.34, 690,589.60 and 459,063.40 is: 688,992.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,127.34 : 690,589.60 = 459,063.40 : x
  2. Step 2: Convert to fraction form
    460,127.34/690,589.60 = 459,063.40/x
  3. Step 3: Cross multiply
    460,127.34x = 690,589.60 × 459,063.40
  4. Step 4: Simplify right side
    460,127.34x = 317,024,409,780.64
  5. Step 5: Solve for x
    x = 317,024,409,780.64/460,127.34
  6. Step 6: Final answer
    x = 688,992.77

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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.