Home / 453,630.12-626,000.40-283,957.80

Finding the Fourth Proportional to 453,630.12, 626,000.40 and 283,957.80

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Solution

The fourth proportional to 453,630.12, 626,000.40 and 283,957.80 is: 391,856.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,630.12 : 626,000.40 = 283,957.80 : x
  2. Step 2: Convert to fraction form
    453,630.12/626,000.40 = 283,957.80/x
  3. Step 3: Cross multiply
    453,630.12x = 626,000.40 × 283,957.80
  4. Step 4: Simplify right side
    453,630.12x = 177,757,696,383.12
  5. Step 5: Solve for x
    x = 177,757,696,383.12/453,630.12
  6. Step 6: Final answer
    x = 391,856.03

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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.