Home / 1,022,930-1,411,643.49-570,221

Finding the Fourth Proportional to 1,022,930, 1,411,643.49 and 570,221

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Solution

The fourth proportional to 1,022,930, 1,411,643.49 and 570,221 is: 786,905.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,930 : 1,411,643.49 = 570,221 : x
  2. Step 2: Convert to fraction form
    1,022,930/1,411,643.49 = 570,221/x
  3. Step 3: Cross multiply
    1,022,930x = 1,411,643.49 × 570,221
  4. Step 4: Simplify right side
    1,022,930x = 804,948,762,511.29
  5. Step 5: Solve for x
    x = 804,948,762,511.29/1,022,930
  6. Step 6: Final answer
    x = 786,905.03

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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.