Home / 893,000.32-1,232,360.96-485,118.40

Finding the Fourth Proportional to 893,000.32, 1,232,360.96 and 485,118.40

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Solution

The fourth proportional to 893,000.32, 1,232,360.96 and 485,118.40 is: 669,474.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,000.32 : 1,232,360.96 = 485,118.40 : x
  2. Step 2: Convert to fraction form
    893,000.32/1,232,360.96 = 485,118.40/x
  3. Step 3: Cross multiply
    893,000.32x = 1,232,360.96 × 485,118.40
  4. Step 4: Simplify right side
    893,000.32x = 597,840,977,137.66
  5. Step 5: Solve for x
    x = 597,840,977,137.66/893,000.32
  6. Step 6: Final answer
    x = 669,474.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.