Home / 946,126.72-1,305,654.45-516,406.81

Finding the Fourth Proportional to 946,126.72, 1,305,654.45 and 516,406.81

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Solution

The fourth proportional to 946,126.72, 1,305,654.45 and 516,406.81 is: 712,641.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,126.72 : 1,305,654.45 = 516,406.81 : x
  2. Step 2: Convert to fraction form
    946,126.72/1,305,654.45 = 516,406.81/x
  3. Step 3: Cross multiply
    946,126.72x = 1,305,654.45 × 516,406.81
  4. Step 4: Simplify right side
    946,126.72x = 674,248,849,486.81
  5. Step 5: Solve for x
    x = 674,248,849,486.81/946,126.72
  6. Step 6: Final answer
    x = 712,641.17

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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.