Home / 637,340.15-879,535.31-350,865.02

Finding the Fourth Proportional to 637,340.15, 879,535.31 and 350,865.02

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Solution

The fourth proportional to 637,340.15, 879,535.31 and 350,865.02 is: 484,196.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,340.15 : 879,535.31 = 350,865.02 : x
  2. Step 2: Convert to fraction form
    637,340.15/879,535.31 = 350,865.02/x
  3. Step 3: Cross multiply
    637,340.15x = 879,535.31 × 350,865.02
  4. Step 4: Simplify right side
    637,340.15x = 308,598,167,981.86
  5. Step 5: Solve for x
    x = 308,598,167,981.86/637,340.15
  6. Step 6: Final answer
    x = 484,196.97

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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.