Home / 460,600.17-690,432.19-190,875.06

Finding the Fourth Proportional to 460,600.17, 690,432.19 and 190,875.06

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Solution

The fourth proportional to 460,600.17, 690,432.19 and 190,875.06 is: 286,118.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,600.17 : 690,432.19 = 190,875.06 : x
  2. Step 2: Convert to fraction form
    460,600.17/690,432.19 = 190,875.06/x
  3. Step 3: Cross multiply
    460,600.17x = 690,432.19 × 190,875.06
  4. Step 4: Simplify right side
    460,600.17x = 131,786,282,240.02
  5. Step 5: Solve for x
    x = 131,786,282,240.02/460,600.17
  6. Step 6: Final answer
    x = 286,118.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.