Home / 1,518,510.35-2,095,553.76-830,183.69

Finding the Fourth Proportional to 1,518,510.35, 2,095,553.76 and 830,183.69

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Solution

The fourth proportional to 1,518,510.35, 2,095,553.76 and 830,183.69 is: 1,145,658.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,510.35 : 2,095,553.76 = 830,183.69 : x
  2. Step 2: Convert to fraction form
    1,518,510.35/2,095,553.76 = 830,183.69/x
  3. Step 3: Cross multiply
    1,518,510.35x = 2,095,553.76 × 830,183.69
  4. Step 4: Simplify right side
    1,518,510.35x = 1,739,694,553,070.17
  5. Step 5: Solve for x
    x = 1,739,694,553,070.17/1,518,510.35
  6. Step 6: Final answer
    x = 1,145,658.67

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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.