Home / 923,903.20-1,385,854.80-605,038.60

Finding the Fourth Proportional to 923,903.20, 1,385,854.80 and 605,038.60

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Solution

The fourth proportional to 923,903.20, 1,385,854.80 and 605,038.60 is: 907,557.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,903.20 : 1,385,854.80 = 605,038.60 : x
  2. Step 2: Convert to fraction form
    923,903.20/1,385,854.80 = 605,038.60/x
  3. Step 3: Cross multiply
    923,903.20x = 1,385,854.80 × 605,038.60
  4. Step 4: Simplify right side
    923,903.20x = 838,495,647,995.28
  5. Step 5: Solve for x
    x = 838,495,647,995.28/923,903.20
  6. Step 6: Final answer
    x = 907,557.90

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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.