Home / 852,712.86-1,176,736.52-470,731.44

Finding the Fourth Proportional to 852,712.86, 1,176,736.52 and 470,731.44

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Solution

The fourth proportional to 852,712.86, 1,176,736.52 and 470,731.44 is: 649,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,712.86 : 1,176,736.52 = 470,731.44 : x
  2. Step 2: Convert to fraction form
    852,712.86/1,176,736.52 = 470,731.44/x
  3. Step 3: Cross multiply
    852,712.86x = 1,176,736.52 × 470,731.44
  4. Step 4: Simplify right side
    852,712.86x = 553,926,876,560.19
  5. Step 5: Solve for x
    x = 553,926,876,560.19/852,712.86
  6. Step 6: Final answer
    x = 649,605.40

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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.