Home / 893,900.20-1,340,915.10-538,148.20

Finding the Fourth Proportional to 893,900.20, 1,340,915.10 and 538,148.20

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Solution

The fourth proportional to 893,900.20, 1,340,915.10 and 538,148.20 is: 807,261.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,900.20 : 1,340,915.10 = 538,148.20 : x
  2. Step 2: Convert to fraction form
    893,900.20/1,340,915.10 = 538,148.20/x
  3. Step 3: Cross multiply
    893,900.20x = 1,340,915.10 × 538,148.20
  4. Step 4: Simplify right side
    893,900.20x = 721,611,047,417.82
  5. Step 5: Solve for x
    x = 721,611,047,417.82/893,900.20
  6. Step 6: Final answer
    x = 807,261.31

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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.