Home / 823,528.35-1,136,307.61-517,427.41

Finding the Fourth Proportional to 823,528.35, 1,136,307.61 and 517,427.41

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Solution

The fourth proportional to 823,528.35, 1,136,307.61 and 517,427.41 is: 713,948.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,528.35 : 1,136,307.61 = 517,427.41 : x
  2. Step 2: Convert to fraction form
    823,528.35/1,136,307.61 = 517,427.41/x
  3. Step 3: Cross multiply
    823,528.35x = 1,136,307.61 × 517,427.41
  4. Step 4: Simplify right side
    823,528.35x = 587,956,695,336.92
  5. Step 5: Solve for x
    x = 587,956,695,336.92/823,528.35
  6. Step 6: Final answer
    x = 713,948.34

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Double scale
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1.5x scale

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.