Home / 917,949.51-1,266,743.21-510,041.21

Finding the Fourth Proportional to 917,949.51, 1,266,743.21 and 510,041.21

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Solution

The fourth proportional to 917,949.51, 1,266,743.21 and 510,041.21 is: 703,841.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,949.51 : 1,266,743.21 = 510,041.21 : x
  2. Step 2: Convert to fraction form
    917,949.51/1,266,743.21 = 510,041.21/x
  3. Step 3: Cross multiply
    917,949.51x = 1,266,743.21 × 510,041.21
  4. Step 4: Simplify right side
    917,949.51x = 646,091,230,703.76
  5. Step 5: Solve for x
    x = 646,091,230,703.76/917,949.51
  6. Step 6: Final answer
    x = 703,841.79

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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.