Home / 863,606.90-1,294,130.95-350,648.28

Finding the Fourth Proportional to 863,606.90, 1,294,130.95 and 350,648.28

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Solution

The fourth proportional to 863,606.90, 1,294,130.95 and 350,648.28 is: 525,452.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,606.90 : 1,294,130.95 = 350,648.28 : x
  2. Step 2: Convert to fraction form
    863,606.90/1,294,130.95 = 350,648.28/x
  3. Step 3: Cross multiply
    863,606.90x = 1,294,130.95 × 350,648.28
  4. Step 4: Simplify right side
    863,606.90x = 453,784,790,835.65
  5. Step 5: Solve for x
    x = 453,784,790,835.65/863,606.90
  6. Step 6: Final answer
    x = 525,452.95

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1.5x scale

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.