Home / 957,392.34-1,321,209.45-527,673.57

Finding the Fourth Proportional to 957,392.34, 1,321,209.45 and 527,673.57

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Solution

The fourth proportional to 957,392.34, 1,321,209.45 and 527,673.57 is: 728,193.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,392.34 : 1,321,209.45 = 527,673.57 : x
  2. Step 2: Convert to fraction form
    957,392.34/1,321,209.45 = 527,673.57/x
  3. Step 3: Cross multiply
    957,392.34x = 1,321,209.45 × 527,673.57
  4. Step 4: Simplify right side
    957,392.34x = 697,167,307,199.24
  5. Step 5: Solve for x
    x = 697,167,307,199.24/957,392.34
  6. Step 6: Final answer
    x = 728,193.95

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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.