Home / 456,810.10-683,271.15-409,765.30

Finding the Fourth Proportional to 456,810.10, 683,271.15 and 409,765.30

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Solution

The fourth proportional to 456,810.10, 683,271.15 and 409,765.30 is: 612,904.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,810.10 : 683,271.15 = 409,765.30 : x
  2. Step 2: Convert to fraction form
    456,810.10/683,271.15 = 409,765.30/x
  3. Step 3: Cross multiply
    456,810.10x = 683,271.15 × 409,765.30
  4. Step 4: Simplify right side
    456,810.10x = 279,980,807,761.10
  5. Step 5: Solve for x
    x = 279,980,807,761.10/456,810.10
  6. Step 6: Final answer
    x = 612,904.15

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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.