Home / 1,186,053.10-1,636,754.04-642,189.26

Finding the Fourth Proportional to 1,186,053.10, 1,636,754.04 and 642,189.26

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Solution

The fourth proportional to 1,186,053.10, 1,636,754.04 and 642,189.26 is: 886,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,053.10 : 1,636,754.04 = 642,189.26 : x
  2. Step 2: Convert to fraction form
    1,186,053.10/1,636,754.04 = 642,189.26/x
  3. Step 3: Cross multiply
    1,186,053.10x = 1,636,754.04 × 642,189.26
  4. Step 4: Simplify right side
    1,186,053.10x = 1,051,105,869,841.50
  5. Step 5: Solve for x
    x = 1,051,105,869,841.50/1,186,053.10
  6. Step 6: Final answer
    x = 886,221.60

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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.