Home / 690,708.14-953,162.87-384,784.10

Finding the Fourth Proportional to 690,708.14, 953,162.87 and 384,784.10

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Solution

The fourth proportional to 690,708.14, 953,162.87 and 384,784.10 is: 530,994.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,708.14 : 953,162.87 = 384,784.10 : x
  2. Step 2: Convert to fraction form
    690,708.14/953,162.87 = 384,784.10/x
  3. Step 3: Cross multiply
    690,708.14x = 953,162.87 × 384,784.10
  4. Step 4: Simplify right side
    690,708.14x = 366,761,910,396.63
  5. Step 5: Solve for x
    x = 366,761,910,396.63/690,708.14
  6. Step 6: Final answer
    x = 530,994.05

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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.