Home / 977,783.20-1,464,601.20-811,895.20

Finding the Fourth Proportional to 977,783.20, 1,464,601.20 and 811,895.20

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Solution

The fourth proportional to 977,783.20, 1,464,601.20 and 811,895.20 is: 1,216,121.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,783.20 : 1,464,601.20 = 811,895.20 : x
  2. Step 2: Convert to fraction form
    977,783.20/1,464,601.20 = 811,895.20/x
  3. Step 3: Cross multiply
    977,783.20x = 1,464,601.20 × 811,895.20
  4. Step 4: Simplify right side
    977,783.20x = 1,189,102,684,194.24
  5. Step 5: Solve for x
    x = 1,189,102,684,194.24/977,783.20
  6. Step 6: Final answer
    x = 1,216,121.00

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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.