Home / 911,523.51-1,257,927.80-503,651.62

Finding the Fourth Proportional to 911,523.51, 1,257,927.80 and 503,651.62

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Solution

The fourth proportional to 911,523.51, 1,257,927.80 and 503,651.62 is: 695,053.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,523.51 : 1,257,927.80 = 503,651.62 : x
  2. Step 2: Convert to fraction form
    911,523.51/1,257,927.80 = 503,651.62/x
  3. Step 3: Cross multiply
    911,523.51x = 1,257,927.80 × 503,651.62
  4. Step 4: Simplify right side
    911,523.51x = 633,557,374,313.04
  5. Step 5: Solve for x
    x = 633,557,374,313.04/911,523.51
  6. Step 6: Final answer
    x = 695,053.25

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1.5x scale

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.