Home / 946,276.06-1,305,811.08-516,472.78

Finding the Fourth Proportional to 946,276.06, 1,305,811.08 and 516,472.78

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Solution

The fourth proportional to 946,276.06, 1,305,811.08 and 516,472.78 is: 712,705.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,276.06 : 1,305,811.08 = 516,472.78 : x
  2. Step 2: Convert to fraction form
    946,276.06/1,305,811.08 = 516,472.78/x
  3. Step 3: Cross multiply
    946,276.06x = 1,305,811.08 × 516,472.78
  4. Step 4: Simplify right side
    946,276.06x = 674,415,878,642.40
  5. Step 5: Solve for x
    x = 674,415,878,642.40/946,276.06
  6. Step 6: Final answer
    x = 712,705.21

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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.