Home / 472,459.48-651,464.40-386,150.62

Finding the Fourth Proportional to 472,459.48, 651,464.40 and 386,150.62

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Solution

The fourth proportional to 472,459.48, 651,464.40 and 386,150.62 is: 532,454.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,459.48 : 651,464.40 = 386,150.62 : x
  2. Step 2: Convert to fraction form
    472,459.48/651,464.40 = 386,150.62/x
  3. Step 3: Cross multiply
    472,459.48x = 651,464.40 × 386,150.62
  4. Step 4: Simplify right side
    472,459.48x = 251,563,381,967.93
  5. Step 5: Solve for x
    x = 251,563,381,967.93/472,459.48
  6. Step 6: Final answer
    x = 532,454.94

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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.