Home / 863,818.14-1,191,426.39-634,303.38

Finding the Fourth Proportional to 863,818.14, 1,191,426.39 and 634,303.38

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Solution

The fourth proportional to 863,818.14, 1,191,426.39 and 634,303.38 is: 874,866.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,818.14 : 1,191,426.39 = 634,303.38 : x
  2. Step 2: Convert to fraction form
    863,818.14/1,191,426.39 = 634,303.38/x
  3. Step 3: Cross multiply
    863,818.14x = 1,191,426.39 × 634,303.38
  4. Step 4: Simplify right side
    863,818.14x = 755,725,786,198.20
  5. Step 5: Solve for x
    x = 755,725,786,198.20/863,818.14
  6. Step 6: Final answer
    x = 874,866.77

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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.