Home / 852,651.74-1,176,662.22-470,677.61

Finding the Fourth Proportional to 852,651.74, 1,176,662.22 and 470,677.61

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Solution

The fourth proportional to 852,651.74, 1,176,662.22 and 470,677.61 is: 649,536.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,651.74 : 1,176,662.22 = 470,677.61 : x
  2. Step 2: Convert to fraction form
    852,651.74/1,176,662.22 = 470,677.61/x
  3. Step 3: Cross multiply
    852,651.74x = 1,176,662.22 × 470,677.61
  4. Step 4: Simplify right side
    852,651.74x = 553,828,561,486.89
  5. Step 5: Solve for x
    x = 553,828,561,486.89/852,651.74
  6. Step 6: Final answer
    x = 649,536.66

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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.