Home / 345,684.30-477,264.51-282,173.10

Finding the Fourth Proportional to 345,684.30, 477,264.51 and 282,173.10

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Solution

The fourth proportional to 345,684.30, 477,264.51 and 282,173.10 is: 389,578.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,684.30 : 477,264.51 = 282,173.10 : x
  2. Step 2: Convert to fraction form
    345,684.30/477,264.51 = 282,173.10/x
  3. Step 3: Cross multiply
    345,684.30x = 477,264.51 × 282,173.10
  4. Step 4: Simplify right side
    345,684.30x = 134,671,206,306.68
  5. Step 5: Solve for x
    x = 134,671,206,306.68/345,684.30
  6. Step 6: Final answer
    x = 389,578.60

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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.