Home / 885,969.30-1,329,148.35-436,905.30

Finding the Fourth Proportional to 885,969.30, 1,329,148.35 and 436,905.30

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Solution

The fourth proportional to 885,969.30, 1,329,148.35 and 436,905.30 is: 655,453.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,969.30 : 1,329,148.35 = 436,905.30 : x
  2. Step 2: Convert to fraction form
    885,969.30/1,329,148.35 = 436,905.30/x
  3. Step 3: Cross multiply
    885,969.30x = 1,329,148.35 × 436,905.30
  4. Step 4: Simplify right side
    885,969.30x = 580,711,958,601.26
  5. Step 5: Solve for x
    x = 580,711,958,601.26/885,969.30
  6. Step 6: Final answer
    x = 655,453.82

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Double scale
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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.