Home / 953,080.80-1,429,621.20-911,090.40

Finding the Fourth Proportional to 953,080.80, 1,429,621.20 and 911,090.40

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Solution

The fourth proportional to 953,080.80, 1,429,621.20 and 911,090.40 is: 1,366,635.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,080.80 : 1,429,621.20 = 911,090.40 : x
  2. Step 2: Convert to fraction form
    953,080.80/1,429,621.20 = 911,090.40/x
  3. Step 3: Cross multiply
    953,080.80x = 1,429,621.20 × 911,090.40
  4. Step 4: Simplify right side
    953,080.80x = 1,302,514,150,956.48
  5. Step 5: Solve for x
    x = 1,302,514,150,956.48/953,080.80
  6. Step 6: Final answer
    x = 1,366,635.60

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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.