Home / 434,419.20-651,628.80-404,894.70

Finding the Fourth Proportional to 434,419.20, 651,628.80 and 404,894.70

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Solution

The fourth proportional to 434,419.20, 651,628.80 and 404,894.70 is: 607,342.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,419.20 : 651,628.80 = 404,894.70 : x
  2. Step 2: Convert to fraction form
    434,419.20/651,628.80 = 404,894.70/x
  3. Step 3: Cross multiply
    434,419.20x = 651,628.80 × 404,894.70
  4. Step 4: Simplify right side
    434,419.20x = 263,841,047,487.36
  5. Step 5: Solve for x
    x = 263,841,047,487.36/434,419.20
  6. Step 6: Final answer
    x = 607,342.05

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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.