Home / 1,032,214.43-1,424,973.65-645,245.11

Finding the Fourth Proportional to 1,032,214.43, 1,424,973.65 and 645,245.11

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Solution

The fourth proportional to 1,032,214.43, 1,424,973.65 and 645,245.11 is: 890,761.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032,214.43 : 1,424,973.65 = 645,245.11 : x
  2. Step 2: Convert to fraction form
    1,032,214.43/1,424,973.65 = 645,245.11/x
  3. Step 3: Cross multiply
    1,032,214.43x = 1,424,973.65 × 645,245.11
  4. Step 4: Simplify right side
    1,032,214.43x = 919,457,279,541.35
  5. Step 5: Solve for x
    x = 919,457,279,541.35/1,032,214.43
  6. Step 6: Final answer
    x = 890,761.89

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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.