Home / 702,714.35-1,054,491.46-645,542.92

Finding the Fourth Proportional to 702,714.35, 1,054,491.46 and 645,542.92

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Solution

The fourth proportional to 702,714.35, 1,054,491.46 and 645,542.92 is: 968,700.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,714.35 : 1,054,491.46 = 645,542.92 : x
  2. Step 2: Convert to fraction form
    702,714.35/1,054,491.46 = 645,542.92/x
  3. Step 3: Cross multiply
    702,714.35x = 1,054,491.46 × 645,542.92
  4. Step 4: Simplify right side
    702,714.35x = 680,719,496,195.28
  5. Step 5: Solve for x
    x = 680,719,496,195.28/702,714.35
  6. Step 6: Final answer
    x = 968,700.15

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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.