Home / 470,077.23-648,722.10-266,124

Finding the Fourth Proportional to 470,077.23, 648,722.10 and 266,124

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Solution

The fourth proportional to 470,077.23, 648,722.10 and 266,124 is: 367,259.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,077.23 : 648,722.10 = 266,124 : x
  2. Step 2: Convert to fraction form
    470,077.23/648,722.10 = 266,124/x
  3. Step 3: Cross multiply
    470,077.23x = 648,722.10 × 266,124
  4. Step 4: Simplify right side
    470,077.23x = 172,640,520,140.40
  5. Step 5: Solve for x
    x = 172,640,520,140.40/470,077.23
  6. Step 6: Final answer
    x = 367,259.91

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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.