Home / 826,574.22-1,238,677.29-470,853.78

Finding the Fourth Proportional to 826,574.22, 1,238,677.29 and 470,853.78

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Solution

The fourth proportional to 826,574.22, 1,238,677.29 and 470,853.78 is: 705,606.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,574.22 : 1,238,677.29 = 470,853.78 : x
  2. Step 2: Convert to fraction form
    826,574.22/1,238,677.29 = 470,853.78/x
  3. Step 3: Cross multiply
    826,574.22x = 1,238,677.29 × 470,853.78
  4. Step 4: Simplify right side
    826,574.22x = 583,235,884,196.66
  5. Step 5: Solve for x
    x = 583,235,884,196.66/826,574.22
  6. Step 6: Final answer
    x = 705,606.19

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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.