Home / 414,688.36-572,545.38-319,026.28

Finding the Fourth Proportional to 414,688.36, 572,545.38 and 319,026.28

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Solution

The fourth proportional to 414,688.36, 572,545.38 and 319,026.28 is: 440,468.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,688.36 : 572,545.38 = 319,026.28 : x
  2. Step 2: Convert to fraction form
    414,688.36/572,545.38 = 319,026.28/x
  3. Step 3: Cross multiply
    414,688.36x = 572,545.38 × 319,026.28
  4. Step 4: Simplify right side
    414,688.36x = 182,657,022,712.59
  5. Step 5: Solve for x
    x = 182,657,022,712.59/414,688.36
  6. Step 6: Final answer
    x = 440,468.17

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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.