Home / 852,813.14-1,176,878.86-470,837.12

Finding the Fourth Proportional to 852,813.14, 1,176,878.86 and 470,837.12

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Solution

The fourth proportional to 852,813.14, 1,176,878.86 and 470,837.12 is: 649,753.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,813.14 : 1,176,878.86 = 470,837.12 : x
  2. Step 2: Convert to fraction form
    852,813.14/1,176,878.86 = 470,837.12/x
  3. Step 3: Cross multiply
    852,813.14x = 1,176,878.86 × 470,837.12
  4. Step 4: Simplify right side
    852,813.14x = 554,118,253,031.28
  5. Step 5: Solve for x
    x = 554,118,253,031.28/852,813.14
  6. Step 6: Final answer
    x = 649,753.42

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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.