Home / 672,421.18-927,941.58-382,033.26

Finding the Fourth Proportional to 672,421.18, 927,941.58 and 382,033.26

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Solution

The fourth proportional to 672,421.18, 927,941.58 and 382,033.26 is: 527,206.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,421.18 : 927,941.58 = 382,033.26 : x
  2. Step 2: Convert to fraction form
    672,421.18/927,941.58 = 382,033.26/x
  3. Step 3: Cross multiply
    672,421.18x = 927,941.58 × 382,033.26
  4. Step 4: Simplify right side
    672,421.18x = 354,504,546,896.95
  5. Step 5: Solve for x
    x = 354,504,546,896.95/672,421.18
  6. Step 6: Final answer
    x = 527,206.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.