Home / 1,531,362.65-2,293,030.82-1,079,637.80

Finding the Fourth Proportional to 1,531,362.65, 2,293,030.82 and 1,079,637.80

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Solution

The fourth proportional to 1,531,362.65, 2,293,030.82 and 1,079,637.80 is: 1,616,627.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,362.65 : 2,293,030.82 = 1,079,637.80 : x
  2. Step 2: Convert to fraction form
    1,531,362.65/2,293,030.82 = 1,079,637.80/x
  3. Step 3: Cross multiply
    1,531,362.65x = 2,293,030.82 × 1,079,637.80
  4. Step 4: Simplify right side
    1,531,362.65x = 2,475,642,741,070.94
  5. Step 5: Solve for x
    x = 2,475,642,741,070.94/1,531,362.65
  6. Step 6: Final answer
    x = 1,616,627.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.