Home / 925,903.10-1,277,795.90-517,980.60

Finding the Fourth Proportional to 925,903.10, 1,277,795.90 and 517,980.60

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Solution

The fourth proportional to 925,903.10, 1,277,795.90 and 517,980.60 is: 714,840.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,903.10 : 1,277,795.90 = 517,980.60 : x
  2. Step 2: Convert to fraction form
    925,903.10/1,277,795.90 = 517,980.60/x
  3. Step 3: Cross multiply
    925,903.10x = 1,277,795.90 × 517,980.60
  4. Step 4: Simplify right side
    925,903.10x = 661,873,484,369.64
  5. Step 5: Solve for x
    x = 661,873,484,369.64/925,903.10
  6. Step 6: Final answer
    x = 714,840.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.