Home / 1,355,240.66-2,033,048.51-456,939.32

Finding the Fourth Proportional to 1,355,240.66, 2,033,048.51 and 456,939.32

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Solution

The fourth proportional to 1,355,240.66, 2,033,048.51 and 456,939.32 is: 685,472.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,240.66 : 2,033,048.51 = 456,939.32 : x
  2. Step 2: Convert to fraction form
    1,355,240.66/2,033,048.51 = 456,939.32/x
  3. Step 3: Cross multiply
    1,355,240.66x = 2,033,048.51 × 456,939.32
  4. Step 4: Simplify right side
    1,355,240.66x = 928,979,803,686.41
  5. Step 5: Solve for x
    x = 928,979,803,686.41/1,355,240.66
  6. Step 6: Final answer
    x = 685,472.21

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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.