Home / 384,718.07-530,938.42-212,632.36

Finding the Fourth Proportional to 384,718.07, 530,938.42 and 212,632.36

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Solution

The fourth proportional to 384,718.07, 530,938.42 and 212,632.36 is: 293,447.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,718.07 : 530,938.42 = 212,632.36 : x
  2. Step 2: Convert to fraction form
    384,718.07/530,938.42 = 212,632.36/x
  3. Step 3: Cross multiply
    384,718.07x = 530,938.42 × 212,632.36
  4. Step 4: Simplify right side
    384,718.07x = 112,894,687,400.34
  5. Step 5: Solve for x
    x = 112,894,687,400.34/384,718.07
  6. Step 6: Final answer
    x = 293,447.84

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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.