Home / 564,569.23-779,085.35-319,548.73

Finding the Fourth Proportional to 564,569.23, 779,085.35 and 319,548.73

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Solution

The fourth proportional to 564,569.23, 779,085.35 and 319,548.73 is: 440,965.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,569.23 : 779,085.35 = 319,548.73 : x
  2. Step 2: Convert to fraction form
    564,569.23/779,085.35 = 319,548.73/x
  3. Step 3: Cross multiply
    564,569.23x = 779,085.35 × 319,548.73
  4. Step 4: Simplify right side
    564,569.23x = 248,955,730,258.68
  5. Step 5: Solve for x
    x = 248,955,730,258.68/564,569.23
  6. Step 6: Final answer
    x = 440,965.82

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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.