Home / 1,557,631.53-2,149,559.52-913,516.29

Finding the Fourth Proportional to 1,557,631.53, 2,149,559.52 and 913,516.29

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Solution

The fourth proportional to 1,557,631.53, 2,149,559.52 and 913,516.29 is: 1,260,668.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,631.53 : 2,149,559.52 = 913,516.29 : x
  2. Step 2: Convert to fraction form
    1,557,631.53/2,149,559.52 = 913,516.29/x
  3. Step 3: Cross multiply
    1,557,631.53x = 2,149,559.52 × 913,516.29
  4. Step 4: Simplify right side
    1,557,631.53x = 1,963,657,637,844.58
  5. Step 5: Solve for x
    x = 1,963,657,637,844.58/1,557,631.53
  6. Step 6: Final answer
    x = 1,260,668.91

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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.