Home / 852,654.80-1,176,662.48-470,680.67

Finding the Fourth Proportional to 852,654.80, 1,176,662.48 and 470,680.67

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Solution

The fourth proportional to 852,654.80, 1,176,662.48 and 470,680.67 is: 649,538.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,654.80 : 1,176,662.48 = 470,680.67 : x
  2. Step 2: Convert to fraction form
    852,654.80/1,176,662.48 = 470,680.67/x
  3. Step 3: Cross multiply
    852,654.80x = 1,176,662.48 × 470,680.67
  4. Step 4: Simplify right side
    852,654.80x = 553,832,276,213.55
  5. Step 5: Solve for x
    x = 553,832,276,213.55/852,654.80
  6. Step 6: Final answer
    x = 649,538.69

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1.5x scale

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.