Home / 470,111.11-648,766.47-255,264.28

Finding the Fourth Proportional to 470,111.11, 648,766.47 and 255,264.28

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Solution

The fourth proportional to 470,111.11, 648,766.47 and 255,264.28 is: 352,271.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,111.11 : 648,766.47 = 255,264.28 : x
  2. Step 2: Convert to fraction form
    470,111.11/648,766.47 = 255,264.28/x
  3. Step 3: Cross multiply
    470,111.11x = 648,766.47 × 255,264.28
  4. Step 4: Simplify right side
    470,111.11x = 165,606,905,852.69
  5. Step 5: Solve for x
    x = 165,606,905,852.69/470,111.11
  6. Step 6: Final answer
    x = 352,271.84

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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.