Home / 1,179,390.42-1,768,038.39-459,565.38

Finding the Fourth Proportional to 1,179,390.42, 1,768,038.39 and 459,565.38

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Solution

The fourth proportional to 1,179,390.42, 1,768,038.39 and 459,565.38 is: 688,940.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,390.42 : 1,768,038.39 = 459,565.38 : x
  2. Step 2: Convert to fraction form
    1,179,390.42/1,768,038.39 = 459,565.38/x
  3. Step 3: Cross multiply
    1,179,390.42x = 1,768,038.39 × 459,565.38
  4. Step 4: Simplify right side
    1,179,390.42x = 812,529,234,554.94
  5. Step 5: Solve for x
    x = 812,529,234,554.94/1,179,390.42
  6. Step 6: Final answer
    x = 688,940.00

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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.