Home / 1,007,846.70-1,390,830.36-548,959.86

Finding the Fourth Proportional to 1,007,846.70, 1,390,830.36 and 548,959.86

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Solution

The fourth proportional to 1,007,846.70, 1,390,830.36 and 548,959.86 is: 757,565.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,846.70 : 1,390,830.36 = 548,959.86 : x
  2. Step 2: Convert to fraction form
    1,007,846.70/1,390,830.36 = 548,959.86/x
  3. Step 3: Cross multiply
    1,007,846.70x = 1,390,830.36 × 548,959.86
  4. Step 4: Simplify right side
    1,007,846.70x = 763,510,039,709.35
  5. Step 5: Solve for x
    x = 763,510,039,709.35/1,007,846.70
  6. Step 6: Final answer
    x = 757,565.65

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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.