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Finding the Fourth Proportional to 1,172,136, 1,617,547.68 and 635,592

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Solution

The fourth proportional to 1,172,136, 1,617,547.68 and 635,592 is: 877,116.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,136 : 1,617,547.68 = 635,592 : x
  2. Step 2: Convert to fraction form
    1,172,136/1,617,547.68 = 635,592/x
  3. Step 3: Cross multiply
    1,172,136x = 1,617,547.68 × 635,592
  4. Step 4: Simplify right side
    1,172,136x = 1,028,100,365,026.56
  5. Step 5: Solve for x
    x = 1,028,100,365,026.56/1,172,136
  6. Step 6: Final answer
    x = 877,116.96

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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.