Home / 866,678.09-1,196,005.14-479,521.67

Finding the Fourth Proportional to 866,678.09, 1,196,005.14 and 479,521.67

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Solution

The fourth proportional to 866,678.09, 1,196,005.14 and 479,521.67 is: 661,734.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,678.09 : 1,196,005.14 = 479,521.67 : x
  2. Step 2: Convert to fraction form
    866,678.09/1,196,005.14 = 479,521.67/x
  3. Step 3: Cross multiply
    866,678.09x = 1,196,005.14 × 479,521.67
  4. Step 4: Simplify right side
    866,678.09x = 573,510,376,081.36
  5. Step 5: Solve for x
    x = 573,510,376,081.36/866,678.09
  6. Step 6: Final answer
    x = 661,734.02

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Double scale
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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.