Home / 961,079.58-1,326,247.83-525,488.72

Finding the Fourth Proportional to 961,079.58, 1,326,247.83 and 525,488.72

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Solution

The fourth proportional to 961,079.58, 1,326,247.83 and 525,488.72 is: 725,151.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,079.58 : 1,326,247.83 = 525,488.72 : x
  2. Step 2: Convert to fraction form
    961,079.58/1,326,247.83 = 525,488.72/x
  3. Step 3: Cross multiply
    961,079.58x = 1,326,247.83 × 525,488.72
  4. Step 4: Simplify right side
    961,079.58x = 696,928,267,958.24
  5. Step 5: Solve for x
    x = 696,928,267,958.24/961,079.58
  6. Step 6: Final answer
    x = 725,151.47

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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.