Home / 1,432,985.32-2,149,628.46-713,505.40

Finding the Fourth Proportional to 1,432,985.32, 2,149,628.46 and 713,505.40

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Solution

The fourth proportional to 1,432,985.32, 2,149,628.46 and 713,505.40 is: 1,070,333.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,985.32 : 2,149,628.46 = 713,505.40 : x
  2. Step 2: Convert to fraction form
    1,432,985.32/2,149,628.46 = 713,505.40/x
  3. Step 3: Cross multiply
    1,432,985.32x = 2,149,628.46 × 713,505.40
  4. Step 4: Simplify right side
    1,432,985.32x = 1,533,771,514,203.68
  5. Step 5: Solve for x
    x = 1,533,771,514,203.68/1,432,985.32
  6. Step 6: Final answer
    x = 1,070,333.03

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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.