Home / 917,929.22-1,266,379.45-530,673.37

Finding the Fourth Proportional to 917,929.22, 1,266,379.45 and 530,673.37

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Solution

The fourth proportional to 917,929.22, 1,266,379.45 and 530,673.37 is: 732,119.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,929.22 : 1,266,379.45 = 530,673.37 : x
  2. Step 2: Convert to fraction form
    917,929.22/1,266,379.45 = 530,673.37/x
  3. Step 3: Cross multiply
    917,929.22x = 1,266,379.45 × 530,673.37
  4. Step 4: Simplify right side
    917,929.22x = 672,033,845,937.62
  5. Step 5: Solve for x
    x = 672,033,845,937.62/917,929.22
  6. Step 6: Final answer
    x = 732,119.47

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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.