Home / 2,176,521.69-3,264,790.13-660,217.69

Finding the Fourth Proportional to 2,176,521.69, 3,264,790.13 and 660,217.69

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Solution

The fourth proportional to 2,176,521.69, 3,264,790.13 and 660,217.69 is: 990,328.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,521.69 : 3,264,790.13 = 660,217.69 : x
  2. Step 2: Convert to fraction form
    2,176,521.69/3,264,790.13 = 660,217.69/x
  3. Step 3: Cross multiply
    2,176,521.69x = 3,264,790.13 × 660,217.69
  4. Step 4: Simplify right side
    2,176,521.69x = 2,155,472,197,963.40
  5. Step 5: Solve for x
    x = 2,155,472,197,963.40/2,176,521.69
  6. Step 6: Final answer
    x = 990,328.84

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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.