Home / 528,435.26-729,217.58-302,095.34

Finding the Fourth Proportional to 528,435.26, 729,217.58 and 302,095.34

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Solution

The fourth proportional to 528,435.26, 729,217.58 and 302,095.34 is: 416,878.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,435.26 : 729,217.58 = 302,095.34 : x
  2. Step 2: Convert to fraction form
    528,435.26/729,217.58 = 302,095.34/x
  3. Step 3: Cross multiply
    528,435.26x = 729,217.58 × 302,095.34
  4. Step 4: Simplify right side
    528,435.26x = 220,293,232,764.08
  5. Step 5: Solve for x
    x = 220,293,232,764.08/528,435.26
  6. Step 6: Final answer
    x = 416,878.38

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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.