Home / 648,090.23-894,221.34-376,000.52

Finding the Fourth Proportional to 648,090.23, 894,221.34 and 376,000.52

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Solution

The fourth proportional to 648,090.23, 894,221.34 and 376,000.52 is: 518,797.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,090.23 : 894,221.34 = 376,000.52 : x
  2. Step 2: Convert to fraction form
    648,090.23/894,221.34 = 376,000.52/x
  3. Step 3: Cross multiply
    648,090.23x = 894,221.34 × 376,000.52
  4. Step 4: Simplify right side
    648,090.23x = 336,227,688,835.10
  5. Step 5: Solve for x
    x = 336,227,688,835.10/648,090.23
  6. Step 6: Final answer
    x = 518,797.65

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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.