Home / 1,211,899.50-1,817,895.22-453,661.16

Finding the Fourth Proportional to 1,211,899.50, 1,817,895.22 and 453,661.16

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Solution

The fourth proportional to 1,211,899.50, 1,817,895.22 and 453,661.16 is: 680,508.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,899.50 : 1,817,895.22 = 453,661.16 : x
  2. Step 2: Convert to fraction form
    1,211,899.50/1,817,895.22 = 453,661.16/x
  3. Step 3: Cross multiply
    1,211,899.50x = 1,817,895.22 × 453,661.16
  4. Step 4: Simplify right side
    1,211,899.50x = 824,708,454,263.66
  5. Step 5: Solve for x
    x = 824,708,454,263.66/1,211,899.50
  6. Step 6: Final answer
    x = 680,508.95

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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.