Home / 641,018.27-884,631.96-369,079.40

Finding the Fourth Proportional to 641,018.27, 884,631.96 and 369,079.40

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Solution

The fourth proportional to 641,018.27, 884,631.96 and 369,079.40 is: 509,344.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,018.27 : 884,631.96 = 369,079.40 : x
  2. Step 2: Convert to fraction form
    641,018.27/884,631.96 = 369,079.40/x
  3. Step 3: Cross multiply
    641,018.27x = 884,631.96 × 369,079.40
  4. Step 4: Simplify right side
    641,018.27x = 326,499,428,594.46
  5. Step 5: Solve for x
    x = 326,499,428,594.46/641,018.27
  6. Step 6: Final answer
    x = 509,344.97

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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.