Home / 472,460.48-651,465.78-386,151.62

Finding the Fourth Proportional to 472,460.48, 651,465.78 and 386,151.62

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Solution

The fourth proportional to 472,460.48, 651,465.78 and 386,151.62 is: 532,456.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,460.48 : 651,465.78 = 386,151.62 : x
  2. Step 2: Convert to fraction form
    472,460.48/651,465.78 = 386,151.62/x
  3. Step 3: Cross multiply
    472,460.48x = 651,465.78 × 386,151.62
  4. Step 4: Simplify right side
    472,460.48x = 251,564,566,321.56
  5. Step 5: Solve for x
    x = 251,564,566,321.56/472,460.48
  6. Step 6: Final answer
    x = 532,456.32

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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.