Home / 852,511.57-1,176,382.15-470,513.73

Finding the Fourth Proportional to 852,511.57, 1,176,382.15 and 470,513.73

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Solution

The fourth proportional to 852,511.57, 1,176,382.15 and 470,513.73 is: 649,262.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,511.57 : 1,176,382.15 = 470,513.73 : x
  2. Step 2: Convert to fraction form
    852,511.57/1,176,382.15 = 470,513.73/x
  3. Step 3: Cross multiply
    852,511.57x = 1,176,382.15 × 470,513.73
  4. Step 4: Simplify right side
    852,511.57x = 553,503,953,301.92
  5. Step 5: Solve for x
    x = 553,503,953,301.92/852,511.57
  6. Step 6: Final answer
    x = 649,262.69

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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.