Home / 453,267.40-679,901.10-404,278.60

Finding the Fourth Proportional to 453,267.40, 679,901.10 and 404,278.60

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Solution

The fourth proportional to 453,267.40, 679,901.10 and 404,278.60 is: 606,417.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,267.40 : 679,901.10 = 404,278.60 : x
  2. Step 2: Convert to fraction form
    453,267.40/679,901.10 = 404,278.60/x
  3. Step 3: Cross multiply
    453,267.40x = 679,901.10 × 404,278.60
  4. Step 4: Simplify right side
    453,267.40x = 274,869,464,846.46
  5. Step 5: Solve for x
    x = 274,869,464,846.46/453,267.40
  6. Step 6: Final answer
    x = 606,417.90

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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.