Home / 1,190,552.28-1,785,823.56-432,392.28

Finding the Fourth Proportional to 1,190,552.28, 1,785,823.56 and 432,392.28

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Solution

The fourth proportional to 1,190,552.28, 1,785,823.56 and 432,392.28 is: 648,586.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,552.28 : 1,785,823.56 = 432,392.28 : x
  2. Step 2: Convert to fraction form
    1,190,552.28/1,785,823.56 = 432,392.28/x
  3. Step 3: Cross multiply
    1,190,552.28x = 1,785,823.56 × 432,392.28
  4. Step 4: Simplify right side
    1,190,552.28x = 772,176,320,786.12
  5. Step 5: Solve for x
    x = 772,176,320,786.12/1,190,552.28
  6. Step 6: Final answer
    x = 648,586.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.