Home / 946,391.13-1,306,038.60-516,672.90

Finding the Fourth Proportional to 946,391.13, 1,306,038.60 and 516,672.90

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Solution

The fourth proportional to 946,391.13, 1,306,038.60 and 516,672.90 is: 713,018.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,391.13 : 1,306,038.60 = 516,672.90 : x
  2. Step 2: Convert to fraction form
    946,391.13/1,306,038.60 = 516,672.90/x
  3. Step 3: Cross multiply
    946,391.13x = 1,306,038.60 × 516,672.90
  4. Step 4: Simplify right side
    946,391.13x = 674,794,750,973.94
  5. Step 5: Solve for x
    x = 674,794,750,973.94/946,391.13
  6. Step 6: Final answer
    x = 713,018.89

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1.5x scale

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.