Home / 553,374.40-829,948.20-153,914.80

Finding the Fourth Proportional to 553,374.40, 829,948.20 and 153,914.80

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Solution

The fourth proportional to 553,374.40, 829,948.20 and 153,914.80 is: 230,840.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,374.40 : 829,948.20 = 153,914.80 : x
  2. Step 2: Convert to fraction form
    553,374.40/829,948.20 = 153,914.80/x
  3. Step 3: Cross multiply
    553,374.40x = 829,948.20 × 153,914.80
  4. Step 4: Simplify right side
    553,374.40x = 127,741,311,213.36
  5. Step 5: Solve for x
    x = 127,741,311,213.36/553,374.40
  6. Step 6: Final answer
    x = 230,840.66

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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.