Home / 946,290.60-1,305,706.33-538,368.63

Finding the Fourth Proportional to 946,290.60, 1,305,706.33 and 538,368.63

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Solution

The fourth proportional to 946,290.60, 1,305,706.33 and 538,368.63 is: 742,849.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,290.60 : 1,305,706.33 = 538,368.63 : x
  2. Step 2: Convert to fraction form
    946,290.60/1,305,706.33 = 538,368.63/x
  3. Step 3: Cross multiply
    946,290.60x = 1,305,706.33 × 538,368.63
  4. Step 4: Simplify right side
    946,290.60x = 702,951,323,840.99
  5. Step 5: Solve for x
    x = 702,951,323,840.99/946,290.60
  6. Step 6: Final answer
    x = 742,849.31

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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.