Home / 434,534.80-651,802.20-396,043.60

Finding the Fourth Proportional to 434,534.80, 651,802.20 and 396,043.60

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Solution

The fourth proportional to 434,534.80, 651,802.20 and 396,043.60 is: 594,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,534.80 : 651,802.20 = 396,043.60 : x
  2. Step 2: Convert to fraction form
    434,534.80/651,802.20 = 396,043.60/x
  3. Step 3: Cross multiply
    434,534.80x = 651,802.20 × 396,043.60
  4. Step 4: Simplify right side
    434,534.80x = 258,142,089,775.92
  5. Step 5: Solve for x
    x = 258,142,089,775.92/434,534.80
  6. Step 6: Final answer
    x = 594,065.40

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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.