Home / 910,379.41-1,256,323.58-507,971.41

Finding the Fourth Proportional to 910,379.41, 1,256,323.58 and 507,971.41

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Solution

The fourth proportional to 910,379.41, 1,256,323.58 and 507,971.41 is: 701,000.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,379.41 : 1,256,323.58 = 507,971.41 : x
  2. Step 2: Convert to fraction form
    910,379.41/1,256,323.58 = 507,971.41/x
  3. Step 3: Cross multiply
    910,379.41x = 1,256,323.58 × 507,971.41
  4. Step 4: Simplify right side
    910,379.41x = 638,176,460,348.85
  5. Step 5: Solve for x
    x = 638,176,460,348.85/910,379.41
  6. Step 6: Final answer
    x = 701,000.54

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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.