Home / 775,467.90-1,163,202.26-243,030.40

Finding the Fourth Proportional to 775,467.90, 1,163,202.26 and 243,030.40

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Solution

The fourth proportional to 775,467.90, 1,163,202.26 and 243,030.40 is: 364,545.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,467.90 : 1,163,202.26 = 243,030.40 : x
  2. Step 2: Convert to fraction form
    775,467.90/1,163,202.26 = 243,030.40/x
  3. Step 3: Cross multiply
    775,467.90x = 1,163,202.26 × 243,030.40
  4. Step 4: Simplify right side
    775,467.90x = 282,693,506,405.55
  5. Step 5: Solve for x
    x = 282,693,506,405.55/775,467.90
  6. Step 6: Final answer
    x = 364,545.72

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Double scale
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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.