Home / 695,938.60-1,043,907.90-538,280.20

Finding the Fourth Proportional to 695,938.60, 1,043,907.90 and 538,280.20

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Solution

The fourth proportional to 695,938.60, 1,043,907.90 and 538,280.20 is: 807,420.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,938.60 : 1,043,907.90 = 538,280.20 : x
  2. Step 2: Convert to fraction form
    695,938.60/1,043,907.90 = 538,280.20/x
  3. Step 3: Cross multiply
    695,938.60x = 1,043,907.90 × 538,280.20
  4. Step 4: Simplify right side
    695,938.60x = 561,914,953,193.58
  5. Step 5: Solve for x
    x = 561,914,953,193.58/695,938.60
  6. Step 6: Final answer
    x = 807,420.30

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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.