Home / 1,690,088.88-2,535,109.28-410,705.76

Finding the Fourth Proportional to 1,690,088.88, 2,535,109.28 and 410,705.76

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Solution

The fourth proportional to 1,690,088.88, 2,535,109.28 and 410,705.76 is: 616,052.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,088.88 : 2,535,109.28 = 410,705.76 : x
  2. Step 2: Convert to fraction form
    1,690,088.88/2,535,109.28 = 410,705.76/x
  3. Step 3: Cross multiply
    1,690,088.88x = 2,535,109.28 × 410,705.76
  4. Step 4: Simplify right side
    1,690,088.88x = 1,041,183,983,525.45
  5. Step 5: Solve for x
    x = 1,041,183,983,525.45/1,690,088.88
  6. Step 6: Final answer
    x = 616,052.80

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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.