Home / 852,579.62-1,176,476.15-470,581.80

Finding the Fourth Proportional to 852,579.62, 1,176,476.15 and 470,581.80

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Solution

The fourth proportional to 852,579.62, 1,176,476.15 and 470,581.80 is: 649,356.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,579.62 : 1,176,476.15 = 470,581.80 : x
  2. Step 2: Convert to fraction form
    852,579.62/1,176,476.15 = 470,581.80/x
  3. Step 3: Cross multiply
    852,579.62x = 1,176,476.15 × 470,581.80
  4. Step 4: Simplify right side
    852,579.62x = 553,628,265,059.40
  5. Step 5: Solve for x
    x = 553,628,265,059.40/852,579.62
  6. Step 6: Final answer
    x = 649,356.67

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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.