Home / 1,113,175.40-1,669,665.90-365,221.40

Finding the Fourth Proportional to 1,113,175.40, 1,669,665.90 and 365,221.40

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Solution

The fourth proportional to 1,113,175.40, 1,669,665.90 and 365,221.40 is: 547,800.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,175.40 : 1,669,665.90 = 365,221.40 : x
  2. Step 2: Convert to fraction form
    1,113,175.40/1,669,665.90 = 365,221.40/x
  3. Step 3: Cross multiply
    1,113,175.40x = 1,669,665.90 × 365,221.40
  4. Step 4: Simplify right side
    1,113,175.40x = 609,797,717,530.26
  5. Step 5: Solve for x
    x = 609,797,717,530.26/1,113,175.40
  6. Step 6: Final answer
    x = 547,800.21

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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.