Home / 434,053.60-651,080.40-329,077.60

Finding the Fourth Proportional to 434,053.60, 651,080.40 and 329,077.60

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Solution

The fourth proportional to 434,053.60, 651,080.40 and 329,077.60 is: 493,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,053.60 : 651,080.40 = 329,077.60 : x
  2. Step 2: Convert to fraction form
    434,053.60/651,080.40 = 329,077.60/x
  3. Step 3: Cross multiply
    434,053.60x = 651,080.40 × 329,077.60
  4. Step 4: Simplify right side
    434,053.60x = 214,255,975,439.04
  5. Step 5: Solve for x
    x = 214,255,975,439.04/434,053.60
  6. Step 6: Final answer
    x = 493,616.40

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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.