Home / 460,111.40-688,611.90-404,124.20

Finding the Fourth Proportional to 460,111.40, 688,611.90 and 404,124.20

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Solution

The fourth proportional to 460,111.40, 688,611.90 and 404,124.20 is: 604,820.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,111.40 : 688,611.90 = 404,124.20 : x
  2. Step 2: Convert to fraction form
    460,111.40/688,611.90 = 404,124.20/x
  3. Step 3: Cross multiply
    460,111.40x = 688,611.90 × 404,124.20
  4. Step 4: Simplify right side
    460,111.40x = 278,284,733,197.98
  5. Step 5: Solve for x
    x = 278,284,733,197.98/460,111.40
  6. Step 6: Final answer
    x = 604,820.34

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1.5x scale

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.