Home / 1,246,562.40-1,720,256.80-673,602.72

Finding the Fourth Proportional to 1,246,562.40, 1,720,256.80 and 673,602.72

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Solution

The fourth proportional to 1,246,562.40, 1,720,256.80 and 673,602.72 is: 929,572.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,562.40 : 1,720,256.80 = 673,602.72 : x
  2. Step 2: Convert to fraction form
    1,246,562.40/1,720,256.80 = 673,602.72/x
  3. Step 3: Cross multiply
    1,246,562.40x = 1,720,256.80 × 673,602.72
  4. Step 4: Simplify right side
    1,246,562.40x = 1,158,769,659,578.50
  5. Step 5: Solve for x
    x = 1,158,769,659,578.50/1,246,562.40
  6. Step 6: Final answer
    x = 929,572.13

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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.