Home / 907,485.55-1,361,228.76-374,420.70

Finding the Fourth Proportional to 907,485.55, 1,361,228.76 and 374,420.70

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Solution

The fourth proportional to 907,485.55, 1,361,228.76 and 374,420.70 is: 561,631.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,485.55 : 1,361,228.76 = 374,420.70 : x
  2. Step 2: Convert to fraction form
    907,485.55/1,361,228.76 = 374,420.70/x
  3. Step 3: Cross multiply
    907,485.55x = 1,361,228.76 × 374,420.70
  4. Step 4: Simplify right side
    907,485.55x = 509,672,225,179.33
  5. Step 5: Solve for x
    x = 509,672,225,179.33/907,485.55
  6. Step 6: Final answer
    x = 561,631.23

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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.