Home / 1,149,539.16-1,587,913.02-1,042,230.36

Finding the Fourth Proportional to 1,149,539.16, 1,587,913.02 and 1,042,230.36

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Solution

The fourth proportional to 1,149,539.16, 1,587,913.02 and 1,042,230.36 is: 1,439,682.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,539.16 : 1,587,913.02 = 1,042,230.36 : x
  2. Step 2: Convert to fraction form
    1,149,539.16/1,587,913.02 = 1,042,230.36/x
  3. Step 3: Cross multiply
    1,149,539.16x = 1,587,913.02 × 1,042,230.36
  4. Step 4: Simplify right side
    1,149,539.16x = 1,654,971,158,483.29
  5. Step 5: Solve for x
    x = 1,654,971,158,483.29/1,149,539.16
  6. Step 6: Final answer
    x = 1,439,682.28

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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.