Home / 1,205,089.54-1,663,171.05-695,791.06

Finding the Fourth Proportional to 1,205,089.54, 1,663,171.05 and 695,791.06

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Solution

The fourth proportional to 1,205,089.54, 1,663,171.05 and 695,791.06 is: 960,276.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,089.54 : 1,663,171.05 = 695,791.06 : x
  2. Step 2: Convert to fraction form
    1,205,089.54/1,663,171.05 = 695,791.06/x
  3. Step 3: Cross multiply
    1,205,089.54x = 1,663,171.05 × 695,791.06
  4. Step 4: Simplify right side
    1,205,089.54x = 1,157,219,547,840.81
  5. Step 5: Solve for x
    x = 1,157,219,547,840.81/1,205,089.54
  6. Step 6: Final answer
    x = 960,276.82

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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.