Home / 893,904.20-1,340,921.10-538,152.20

Finding the Fourth Proportional to 893,904.20, 1,340,921.10 and 538,152.20

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Solution

The fourth proportional to 893,904.20, 1,340,921.10 and 538,152.20 is: 807,267.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,904.20 : 1,340,921.10 = 538,152.20 : x
  2. Step 2: Convert to fraction form
    893,904.20/1,340,921.10 = 538,152.20/x
  3. Step 3: Cross multiply
    893,904.20x = 1,340,921.10 × 538,152.20
  4. Step 4: Simplify right side
    893,904.20x = 721,619,639,991.42
  5. Step 5: Solve for x
    x = 721,619,639,991.42/893,904.20
  6. Step 6: Final answer
    x = 807,267.31

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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.