Home / 823,714.52-1,136,862.05-565,379.24

Finding the Fourth Proportional to 823,714.52, 1,136,862.05 and 565,379.24

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Solution

The fourth proportional to 823,714.52, 1,136,862.05 and 565,379.24 is: 780,316.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,714.52 : 1,136,862.05 = 565,379.24 : x
  2. Step 2: Convert to fraction form
    823,714.52/1,136,862.05 = 565,379.24/x
  3. Step 3: Cross multiply
    823,714.52x = 1,136,862.05 × 565,379.24
  4. Step 4: Simplify right side
    823,714.52x = 642,758,193,302.64
  5. Step 5: Solve for x
    x = 642,758,193,302.64/823,714.52
  6. Step 6: Final answer
    x = 780,316.70

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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.