Home / 852,483.80-1,176,343.89-470,485.91

Finding the Fourth Proportional to 852,483.80, 1,176,343.89 and 470,485.91

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Solution

The fourth proportional to 852,483.80, 1,176,343.89 and 470,485.91 is: 649,224.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,483.80 : 1,176,343.89 = 470,485.91 : x
  2. Step 2: Convert to fraction form
    852,483.80/1,176,343.89 = 470,485.91/x
  3. Step 3: Cross multiply
    852,483.80x = 1,176,343.89 × 470,485.91
  4. Step 4: Simplify right side
    852,483.80x = 553,453,225,559.59
  5. Step 5: Solve for x
    x = 553,453,225,559.59/852,483.80
  6. Step 6: Final answer
    x = 649,224.33

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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.