Home / 849,123.51-1,171,788.70-467,149.38

Finding the Fourth Proportional to 849,123.51, 1,171,788.70 and 467,149.38

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Solution

The fourth proportional to 849,123.51, 1,171,788.70 and 467,149.38 is: 644,665.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,123.51 : 1,171,788.70 = 467,149.38 : x
  2. Step 2: Convert to fraction form
    849,123.51/1,171,788.70 = 467,149.38/x
  3. Step 3: Cross multiply
    849,123.51x = 1,171,788.70 × 467,149.38
  4. Step 4: Simplify right side
    849,123.51x = 547,400,363,528.13
  5. Step 5: Solve for x
    x = 547,400,363,528.13/849,123.51
  6. Step 6: Final answer
    x = 644,665.18

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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.