Home / 1,282,656.41-1,769,294.62-847,077.76

Finding the Fourth Proportional to 1,282,656.41, 1,769,294.62 and 847,077.76

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Solution

The fourth proportional to 1,282,656.41, 1,769,294.62 and 847,077.76 is: 1,168,457.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,656.41 : 1,769,294.62 = 847,077.76 : x
  2. Step 2: Convert to fraction form
    1,282,656.41/1,769,294.62 = 847,077.76/x
  3. Step 3: Cross multiply
    1,282,656.41x = 1,769,294.62 × 847,077.76
  4. Step 4: Simplify right side
    1,282,656.41x = 1,498,730,123,489.65
  5. Step 5: Solve for x
    x = 1,498,730,123,489.65/1,282,656.41
  6. Step 6: Final answer
    x = 1,168,457.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.