Home / 852,464.45-1,176,398.53-470,488.50

Finding the Fourth Proportional to 852,464.45, 1,176,398.53 and 470,488.50

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Solution

The fourth proportional to 852,464.45, 1,176,398.53 and 470,488.50 is: 649,272.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,464.45 : 1,176,398.53 = 470,488.50 : x
  2. Step 2: Convert to fraction form
    852,464.45/1,176,398.53 = 470,488.50/x
  3. Step 3: Cross multiply
    852,464.45x = 1,176,398.53 × 470,488.50
  4. Step 4: Simplify right side
    852,464.45x = 553,481,978,605.68
  5. Step 5: Solve for x
    x = 553,481,978,605.68/852,464.45
  6. Step 6: Final answer
    x = 649,272.80

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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.