Home / 1,235,328.64-1,704,737.28-698,784.64

Finding the Fourth Proportional to 1,235,328.64, 1,704,737.28 and 698,784.64

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Solution

The fourth proportional to 1,235,328.64, 1,704,737.28 and 698,784.64 is: 964,313.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,328.64 : 1,704,737.28 = 698,784.64 : x
  2. Step 2: Convert to fraction form
    1,235,328.64/1,704,737.28 = 698,784.64/x
  3. Step 3: Cross multiply
    1,235,328.64x = 1,704,737.28 × 698,784.64
  4. Step 4: Simplify right side
    1,235,328.64x = 1,191,244,226,499.38
  5. Step 5: Solve for x
    x = 1,191,244,226,499.38/1,235,328.64
  6. Step 6: Final answer
    x = 964,313.61

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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.