Home / 1,330,193.14-1,835,666.51-718,345.88

Finding the Fourth Proportional to 1,330,193.14, 1,835,666.51 and 718,345.88

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Solution

The fourth proportional to 1,330,193.14, 1,835,666.51 and 718,345.88 is: 991,317.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,193.14 : 1,835,666.51 = 718,345.88 : x
  2. Step 2: Convert to fraction form
    1,330,193.14/1,835,666.51 = 718,345.88/x
  3. Step 3: Cross multiply
    1,330,193.14x = 1,835,666.51 × 718,345.88
  4. Step 4: Simplify right side
    1,330,193.14x = 1,318,643,480,897.51
  5. Step 5: Solve for x
    x = 1,318,643,480,897.51/1,330,193.14
  6. Step 6: Final answer
    x = 991,317.31

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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.