Home / 439,941.23-607,118.90-238,737.23

Finding the Fourth Proportional to 439,941.23, 607,118.90 and 238,737.23

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Solution

The fourth proportional to 439,941.23, 607,118.90 and 238,737.23 is: 329,457.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,941.23 : 607,118.90 = 238,737.23 : x
  2. Step 2: Convert to fraction form
    439,941.23/607,118.90 = 238,737.23/x
  3. Step 3: Cross multiply
    439,941.23x = 607,118.90 × 238,737.23
  4. Step 4: Simplify right side
    439,941.23x = 144,941,886,581.29
  5. Step 5: Solve for x
    x = 144,941,886,581.29/439,941.23
  6. Step 6: Final answer
    x = 329,457.38

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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.