Home / 752,910.24-1,039,208.02-430,721.40

Finding the Fourth Proportional to 752,910.24, 1,039,208.02 and 430,721.40

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Solution

The fourth proportional to 752,910.24, 1,039,208.02 and 430,721.40 is: 594,505.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,910.24 : 1,039,208.02 = 430,721.40 : x
  2. Step 2: Convert to fraction form
    752,910.24/1,039,208.02 = 430,721.40/x
  3. Step 3: Cross multiply
    752,910.24x = 1,039,208.02 × 430,721.40
  4. Step 4: Simplify right side
    752,910.24x = 447,609,133,265.63
  5. Step 5: Solve for x
    x = 447,609,133,265.63/752,910.24
  6. Step 6: Final answer
    x = 594,505.31

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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.