Home / 528,293.76-729,095.68-301,895.36

Finding the Fourth Proportional to 528,293.76, 729,095.68 and 301,895.36

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Solution

The fourth proportional to 528,293.76, 729,095.68 and 301,895.36 is: 416,644.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,293.76 : 729,095.68 = 301,895.36 : x
  2. Step 2: Convert to fraction form
    528,293.76/729,095.68 = 301,895.36/x
  3. Step 3: Cross multiply
    528,293.76x = 729,095.68 × 301,895.36
  4. Step 4: Simplify right side
    528,293.76x = 220,110,602,788.05
  5. Step 5: Solve for x
    x = 220,110,602,788.05/528,293.76
  6. Step 6: Final answer
    x = 416,644.34

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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.