Home / 1,086,560.64-1,630,174.64-518,666.40

Finding the Fourth Proportional to 1,086,560.64, 1,630,174.64 and 518,666.40

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Solution

The fourth proportional to 1,086,560.64, 1,630,174.64 and 518,666.40 is: 778,158.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,560.64 : 1,630,174.64 = 518,666.40 : x
  2. Step 2: Convert to fraction form
    1,086,560.64/1,630,174.64 = 518,666.40/x
  3. Step 3: Cross multiply
    1,086,560.64x = 1,630,174.64 × 518,666.40
  4. Step 4: Simplify right side
    1,086,560.64x = 845,516,811,900.10
  5. Step 5: Solve for x
    x = 845,516,811,900.10/1,086,560.64
  6. Step 6: Final answer
    x = 778,158.88

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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.