Home / 884,384.25-1,326,856.68-315,752.91

Finding the Fourth Proportional to 884,384.25, 1,326,856.68 and 315,752.91

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Solution

The fourth proportional to 884,384.25, 1,326,856.68 and 315,752.91 is: 473,729.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,384.25 : 1,326,856.68 = 315,752.91 : x
  2. Step 2: Convert to fraction form
    884,384.25/1,326,856.68 = 315,752.91/x
  3. Step 3: Cross multiply
    884,384.25x = 1,326,856.68 × 315,752.91
  4. Step 4: Simplify right side
    884,384.25x = 418,958,857,862.94
  5. Step 5: Solve for x
    x = 418,958,857,862.94/884,384.25
  6. Step 6: Final answer
    x = 473,729.44

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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.