Home / 823,891.65-1,136,592.86-497,328.81

Finding the Fourth Proportional to 823,891.65, 1,136,592.86 and 497,328.81

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Solution

The fourth proportional to 823,891.65, 1,136,592.86 and 497,328.81 is: 686,085.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,891.65 : 1,136,592.86 = 497,328.81 : x
  2. Step 2: Convert to fraction form
    823,891.65/1,136,592.86 = 497,328.81/x
  3. Step 3: Cross multiply
    823,891.65x = 1,136,592.86 × 497,328.81
  4. Step 4: Simplify right side
    823,891.65x = 565,260,372,031.65
  5. Step 5: Solve for x
    x = 565,260,372,031.65/823,891.65
  6. Step 6: Final answer
    x = 686,085.81

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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.