Home / 570,025.20-854,503.20-215,277.60

Finding the Fourth Proportional to 570,025.20, 854,503.20 and 215,277.60

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Solution

The fourth proportional to 570,025.20, 854,503.20 and 215,277.60 is: 322,714.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,025.20 : 854,503.20 = 215,277.60 : x
  2. Step 2: Convert to fraction form
    570,025.20/854,503.20 = 215,277.60/x
  3. Step 3: Cross multiply
    570,025.20x = 854,503.20 × 215,277.60
  4. Step 4: Simplify right side
    570,025.20x = 183,955,398,088.32
  5. Step 5: Solve for x
    x = 183,955,398,088.32/570,025.20
  6. Step 6: Final answer
    x = 322,714.50

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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.