Home / 1,200,484.89-1,656,682.00-656,609.05

Finding the Fourth Proportional to 1,200,484.89, 1,656,682.00 and 656,609.05

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Solution

The fourth proportional to 1,200,484.89, 1,656,682.00 and 656,609.05 is: 906,127.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,484.89 : 1,656,682.00 = 656,609.05 : x
  2. Step 2: Convert to fraction form
    1,200,484.89/1,656,682.00 = 656,609.05/x
  3. Step 3: Cross multiply
    1,200,484.89x = 1,656,682.00 × 656,609.05
  4. Step 4: Simplify right side
    1,200,484.89x = 1,087,792,390,382.34
  5. Step 5: Solve for x
    x = 1,087,792,390,382.34/1,200,484.89
  6. Step 6: Final answer
    x = 906,127.52

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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.