Home / 653,914.76-902,418.18-367,417.76

Finding the Fourth Proportional to 653,914.76, 902,418.18 and 367,417.76

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Solution

The fourth proportional to 653,914.76, 902,418.18 and 367,417.76 is: 507,045.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,914.76 : 902,418.18 = 367,417.76 : x
  2. Step 2: Convert to fraction form
    653,914.76/902,418.18 = 367,417.76/x
  3. Step 3: Cross multiply
    653,914.76x = 902,418.18 × 367,417.76
  4. Step 4: Simplify right side
    653,914.76x = 331,564,466,278.88
  5. Step 5: Solve for x
    x = 331,564,466,278.88/653,914.76
  6. Step 6: Final answer
    x = 507,045.39

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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.