Home / 907,485.81-1,361,229.14-374,420.95

Finding the Fourth Proportional to 907,485.81, 1,361,229.14 and 374,420.95

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Solution

The fourth proportional to 907,485.81, 1,361,229.14 and 374,420.95 is: 561,631.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,485.81 : 1,361,229.14 = 374,420.95 : x
  2. Step 2: Convert to fraction form
    907,485.81/1,361,229.14 = 374,420.95/x
  3. Step 3: Cross multiply
    907,485.81x = 1,361,229.14 × 374,420.95
  4. Step 4: Simplify right side
    907,485.81x = 509,672,707,766.48
  5. Step 5: Solve for x
    x = 509,672,707,766.48/907,485.81
  6. Step 6: Final answer
    x = 561,631.60

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Double scale
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Similar ratio
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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.