Home / 824,714.23-1,138,105.60-502,424.09

Finding the Fourth Proportional to 824,714.23, 1,138,105.60 and 502,424.09

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Solution

The fourth proportional to 824,714.23, 1,138,105.60 and 502,424.09 is: 693,345.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,714.23 : 1,138,105.60 = 502,424.09 : x
  2. Step 2: Convert to fraction form
    824,714.23/1,138,105.60 = 502,424.09/x
  3. Step 3: Cross multiply
    824,714.23x = 1,138,105.60 × 502,424.09
  4. Step 4: Simplify right side
    824,714.23x = 571,811,671,993.11
  5. Step 5: Solve for x
    x = 571,811,671,993.11/824,714.23
  6. Step 6: Final answer
    x = 693,345.22

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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.