Home / 470,166.40-648,827.58-255,304.72

Finding the Fourth Proportional to 470,166.40, 648,827.58 and 255,304.72

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Solution

The fourth proportional to 470,166.40, 648,827.58 and 255,304.72 is: 352,319.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,166.40 : 648,827.58 = 255,304.72 : x
  2. Step 2: Convert to fraction form
    470,166.40/648,827.58 = 255,304.72/x
  3. Step 3: Cross multiply
    470,166.40x = 648,827.58 × 255,304.72
  4. Step 4: Simplify right side
    470,166.40x = 165,648,743,640.18
  5. Step 5: Solve for x
    x = 165,648,743,640.18/470,166.40
  6. Step 6: Final answer
    x = 352,319.40

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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.