Home / 534,788.20-802,182.30-345,831.40

Finding the Fourth Proportional to 534,788.20, 802,182.30 and 345,831.40

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Solution

The fourth proportional to 534,788.20, 802,182.30 and 345,831.40 is: 518,747.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,788.20 : 802,182.30 = 345,831.40 : x
  2. Step 2: Convert to fraction form
    534,788.20/802,182.30 = 345,831.40/x
  3. Step 3: Cross multiply
    534,788.20x = 802,182.30 × 345,831.40
  4. Step 4: Simplify right side
    534,788.20x = 277,419,827,864.22
  5. Step 5: Solve for x
    x = 277,419,827,864.22/534,788.20
  6. Step 6: Final answer
    x = 518,747.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.