Home / 750,785.49-1,036,105.02-456,434.73

Finding the Fourth Proportional to 750,785.49, 1,036,105.02 and 456,434.73

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Solution

The fourth proportional to 750,785.49, 1,036,105.02 and 456,434.73 is: 629,892.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,785.49 : 1,036,105.02 = 456,434.73 : x
  2. Step 2: Convert to fraction form
    750,785.49/1,036,105.02 = 456,434.73/x
  3. Step 3: Cross multiply
    750,785.49x = 1,036,105.02 × 456,434.73
  4. Step 4: Simplify right side
    750,785.49x = 472,914,315,055.35
  5. Step 5: Solve for x
    x = 472,914,315,055.35/750,785.49
  6. Step 6: Final answer
    x = 629,892.72

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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.