Home / 986,626.74-1,361,516.13-556,946.85

Finding the Fourth Proportional to 986,626.74, 1,361,516.13 and 556,946.85

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Solution

The fourth proportional to 986,626.74, 1,361,516.13 and 556,946.85 is: 768,570.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,626.74 : 1,361,516.13 = 556,946.85 : x
  2. Step 2: Convert to fraction form
    986,626.74/1,361,516.13 = 556,946.85/x
  3. Step 3: Cross multiply
    986,626.74x = 1,361,516.13 × 556,946.85
  4. Step 4: Simplify right side
    986,626.74x = 758,292,119,827.69
  5. Step 5: Solve for x
    x = 758,292,119,827.69/986,626.74
  6. Step 6: Final answer
    x = 768,570.41

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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.