Home / 977,795.20-1,464,619.20-811,907.20

Finding the Fourth Proportional to 977,795.20, 1,464,619.20 and 811,907.20

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Solution

The fourth proportional to 977,795.20, 1,464,619.20 and 811,907.20 is: 1,216,139.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,795.20 : 1,464,619.20 = 811,907.20 : x
  2. Step 2: Convert to fraction form
    977,795.20/1,464,619.20 = 811,907.20/x
  3. Step 3: Cross multiply
    977,795.20x = 1,464,619.20 × 811,907.20
  4. Step 4: Simplify right side
    977,795.20x = 1,189,134,873,738.24
  5. Step 5: Solve for x
    x = 1,189,134,873,738.24/977,795.20
  6. Step 6: Final answer
    x = 1,216,139.00

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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.