Home / 882,116.70-1,321,715.85-507,486.30

Finding the Fourth Proportional to 882,116.70, 1,321,715.85 and 507,486.30

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Solution

The fourth proportional to 882,116.70, 1,321,715.85 and 507,486.30 is: 760,389.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,116.70 : 1,321,715.85 = 507,486.30 : x
  2. Step 2: Convert to fraction form
    882,116.70/1,321,715.85 = 507,486.30/x
  3. Step 3: Cross multiply
    882,116.70x = 1,321,715.85 × 507,486.30
  4. Step 4: Simplify right side
    882,116.70x = 670,752,686,367.86
  5. Step 5: Solve for x
    x = 670,752,686,367.86/882,116.70
  6. Step 6: Final answer
    x = 760,389.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.