Home / 469,948.05-648,531.60-255,088.08

Finding the Fourth Proportional to 469,948.05, 648,531.60 and 255,088.08

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Solution

The fourth proportional to 469,948.05, 648,531.60 and 255,088.08 is: 352,023.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,948.05 : 648,531.60 = 255,088.08 : x
  2. Step 2: Convert to fraction form
    469,948.05/648,531.60 = 255,088.08/x
  3. Step 3: Cross multiply
    469,948.05x = 648,531.60 × 255,088.08
  4. Step 4: Simplify right side
    469,948.05x = 165,432,680,663.33
  5. Step 5: Solve for x
    x = 165,432,680,663.33/469,948.05
  6. Step 6: Final answer
    x = 352,023.34

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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.