Home / 907,621.40-1,361,432.10-528,152.60

Finding the Fourth Proportional to 907,621.40, 1,361,432.10 and 528,152.60

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Solution

The fourth proportional to 907,621.40, 1,361,432.10 and 528,152.60 is: 792,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,621.40 : 1,361,432.10 = 528,152.60 : x
  2. Step 2: Convert to fraction form
    907,621.40/1,361,432.10 = 528,152.60/x
  3. Step 3: Cross multiply
    907,621.40x = 1,361,432.10 × 528,152.60
  4. Step 4: Simplify right side
    907,621.40x = 719,043,903,338.46
  5. Step 5: Solve for x
    x = 719,043,903,338.46/907,621.40
  6. Step 6: Final answer
    x = 792,228.90

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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.