Home / 389,683.63-537,705.75-236,642.23

Finding the Fourth Proportional to 389,683.63, 537,705.75 and 236,642.23

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Solution

The fourth proportional to 389,683.63, 537,705.75 and 236,642.23 is: 326,531.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,683.63 : 537,705.75 = 236,642.23 : x
  2. Step 2: Convert to fraction form
    389,683.63/537,705.75 = 236,642.23/x
  3. Step 3: Cross multiply
    389,683.63x = 537,705.75 × 236,642.23
  4. Step 4: Simplify right side
    389,683.63x = 127,243,887,763.82
  5. Step 5: Solve for x
    x = 127,243,887,763.82/389,683.63
  6. Step 6: Final answer
    x = 326,531.26

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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.