Home / 917,466.81-1,266,104.21-515,058.81

Finding the Fourth Proportional to 917,466.81, 1,266,104.21 and 515,058.81

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Solution

The fourth proportional to 917,466.81, 1,266,104.21 and 515,058.81 is: 710,781.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,466.81 : 1,266,104.21 = 515,058.81 : x
  2. Step 2: Convert to fraction form
    917,466.81/1,266,104.21 = 515,058.81/x
  3. Step 3: Cross multiply
    917,466.81x = 1,266,104.21 × 515,058.81
  4. Step 4: Simplify right side
    917,466.81x = 652,118,127,738.59
  5. Step 5: Solve for x
    x = 652,118,127,738.59/917,466.81
  6. Step 6: Final answer
    x = 710,781.16

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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.