Home / 1,636,744.48-2,453,639.28-690,172

Finding the Fourth Proportional to 1,636,744.48, 2,453,639.28 and 690,172

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Solution

The fourth proportional to 1,636,744.48, 2,453,639.28 and 690,172 is: 1,034,635.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,744.48 : 2,453,639.28 = 690,172 : x
  2. Step 2: Convert to fraction form
    1,636,744.48/2,453,639.28 = 690,172/x
  3. Step 3: Cross multiply
    1,636,744.48x = 2,453,639.28 × 690,172
  4. Step 4: Simplify right side
    1,636,744.48x = 1,693,433,129,156.16
  5. Step 5: Solve for x
    x = 1,693,433,129,156.16/1,636,744.48
  6. Step 6: Final answer
    x = 1,034,635.00

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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.