Home / 439,534.10-662,595.50-410,238.92

Finding the Fourth Proportional to 439,534.10, 662,595.50 and 410,238.92

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Solution

The fourth proportional to 439,534.10, 662,595.50 and 410,238.92 is: 618,433.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,534.10 : 662,595.50 = 410,238.92 : x
  2. Step 2: Convert to fraction form
    439,534.10/662,595.50 = 410,238.92/x
  3. Step 3: Cross multiply
    439,534.10x = 662,595.50 × 410,238.92
  4. Step 4: Simplify right side
    439,534.10x = 271,822,462,316.86
  5. Step 5: Solve for x
    x = 271,822,462,316.86/439,534.10
  6. Step 6: Final answer
    x = 618,433.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.