Home / 453,271.40-679,907.10-404,282.60

Finding the Fourth Proportional to 453,271.40, 679,907.10 and 404,282.60

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Solution

The fourth proportional to 453,271.40, 679,907.10 and 404,282.60 is: 606,423.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,271.40 : 679,907.10 = 404,282.60 : x
  2. Step 2: Convert to fraction form
    453,271.40/679,907.10 = 404,282.60/x
  3. Step 3: Cross multiply
    453,271.40x = 679,907.10 × 404,282.60
  4. Step 4: Simplify right side
    453,271.40x = 274,874,610,146.46
  5. Step 5: Solve for x
    x = 274,874,610,146.46/453,271.40
  6. Step 6: Final answer
    x = 606,423.90

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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.