Home / 1,136,031.12-1,567,645.38-626,742

Finding the Fourth Proportional to 1,136,031.12, 1,567,645.38 and 626,742

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Solution

The fourth proportional to 1,136,031.12, 1,567,645.38 and 626,742 is: 864,861.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,031.12 : 1,567,645.38 = 626,742 : x
  2. Step 2: Convert to fraction form
    1,136,031.12/1,567,645.38 = 626,742/x
  3. Step 3: Cross multiply
    1,136,031.12x = 1,567,645.38 × 626,742
  4. Step 4: Simplify right side
    1,136,031.12x = 982,509,200,751.96
  5. Step 5: Solve for x
    x = 982,509,200,751.96/1,136,031.12
  6. Step 6: Final answer
    x = 864,861.17

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Double scale
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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.