Home / 470,547.20-649,359.08-255,687.28

Finding the Fourth Proportional to 470,547.20, 649,359.08 and 255,687.28

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Solution

The fourth proportional to 470,547.20, 649,359.08 and 255,687.28 is: 352,850.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,547.20 : 649,359.08 = 255,687.28 : x
  2. Step 2: Convert to fraction form
    470,547.20/649,359.08 = 255,687.28/x
  3. Step 3: Cross multiply
    470,547.20x = 649,359.08 × 255,687.28
  4. Step 4: Simplify right side
    470,547.20x = 166,032,856,908.50
  5. Step 5: Solve for x
    x = 166,032,856,908.50/470,547.20
  6. Step 6: Final answer
    x = 352,850.59

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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.