Home / 866,853.82-1,300,538.31-417,444.76

Finding the Fourth Proportional to 866,853.82, 1,300,538.31 and 417,444.76

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Solution

The fourth proportional to 866,853.82, 1,300,538.31 and 417,444.76 is: 626,291.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,853.82 : 1,300,538.31 = 417,444.76 : x
  2. Step 2: Convert to fraction form
    866,853.82/1,300,538.31 = 417,444.76/x
  3. Step 3: Cross multiply
    866,853.82x = 1,300,538.31 × 417,444.76
  4. Step 4: Simplify right side
    866,853.82x = 542,902,902,688.76
  5. Step 5: Solve for x
    x = 542,902,902,688.76/866,853.82
  6. Step 6: Final answer
    x = 626,291.18

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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.