Home / 306,039.08-457,649.34-291,109.16

Finding the Fourth Proportional to 306,039.08, 457,649.34 and 291,109.16

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Solution

The fourth proportional to 306,039.08, 457,649.34 and 291,109.16 is: 435,323.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,039.08 : 457,649.34 = 291,109.16 : x
  2. Step 2: Convert to fraction form
    306,039.08/457,649.34 = 291,109.16/x
  3. Step 3: Cross multiply
    306,039.08x = 457,649.34 × 291,109.16
  4. Step 4: Simplify right side
    306,039.08x = 133,225,914,941.95
  5. Step 5: Solve for x
    x = 133,225,914,941.95/306,039.08
  6. Step 6: Final answer
    x = 435,323.21

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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.