Home / 439,868.18-607,015.95-238,664.18

Finding the Fourth Proportional to 439,868.18, 607,015.95 and 238,664.18

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Solution

The fourth proportional to 439,868.18, 607,015.95 and 238,664.18 is: 329,355.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,868.18 : 607,015.95 = 238,664.18 : x
  2. Step 2: Convert to fraction form
    439,868.18/607,015.95 = 238,664.18/x
  3. Step 3: Cross multiply
    439,868.18x = 607,015.95 × 238,664.18
  4. Step 4: Simplify right side
    439,868.18x = 144,872,963,953.67
  5. Step 5: Solve for x
    x = 144,872,963,953.67/439,868.18
  6. Step 6: Final answer
    x = 329,355.41

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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.