Home / 1,421,657.76-2,132,596.80-475,031.82

Finding the Fourth Proportional to 1,421,657.76, 2,132,596.80 and 475,031.82

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Solution

The fourth proportional to 1,421,657.76, 2,132,596.80 and 475,031.82 is: 712,584.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,657.76 : 2,132,596.80 = 475,031.82 : x
  2. Step 2: Convert to fraction form
    1,421,657.76/2,132,596.80 = 475,031.82/x
  3. Step 3: Cross multiply
    1,421,657.76x = 2,132,596.80 × 475,031.82
  4. Step 4: Simplify right side
    1,421,657.76x = 1,013,051,339,230.18
  5. Step 5: Solve for x
    x = 1,013,051,339,230.18/1,421,657.76
  6. Step 6: Final answer
    x = 712,584.54

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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.