Home / 826,545.13-1,238,633.88-470,824.72

Finding the Fourth Proportional to 826,545.13, 1,238,633.88 and 470,824.72

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Solution

The fourth proportional to 826,545.13, 1,238,633.88 and 470,824.72 is: 705,562.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,545.13 : 1,238,633.88 = 470,824.72 : x
  2. Step 2: Convert to fraction form
    826,545.13/1,238,633.88 = 470,824.72/x
  3. Step 3: Cross multiply
    826,545.13x = 1,238,633.88 × 470,824.72
  4. Step 4: Simplify right side
    826,545.13x = 583,179,449,733.51
  5. Step 5: Solve for x
    x = 583,179,449,733.51/826,545.13
  6. Step 6: Final answer
    x = 705,562.74

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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.