Home / 674,463.48-930,731.82-368,550.36

Finding the Fourth Proportional to 674,463.48, 930,731.82 and 368,550.36

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Solution

The fourth proportional to 674,463.48, 930,731.82 and 368,550.36 is: 508,584.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,463.48 : 930,731.82 = 368,550.36 : x
  2. Step 2: Convert to fraction form
    674,463.48/930,731.82 = 368,550.36/x
  3. Step 3: Cross multiply
    674,463.48x = 930,731.82 × 368,550.36
  4. Step 4: Simplify right side
    674,463.48x = 343,021,547,324.46
  5. Step 5: Solve for x
    x = 343,021,547,324.46/674,463.48
  6. Step 6: Final answer
    x = 508,584.32

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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.