Home / 437,435.20-656,152.80-296,430.40

Finding the Fourth Proportional to 437,435.20, 656,152.80 and 296,430.40

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Solution

The fourth proportional to 437,435.20, 656,152.80 and 296,430.40 is: 444,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,435.20 : 656,152.80 = 296,430.40 : x
  2. Step 2: Convert to fraction form
    437,435.20/656,152.80 = 296,430.40/x
  3. Step 3: Cross multiply
    437,435.20x = 656,152.80 × 296,430.40
  4. Step 4: Simplify right side
    437,435.20x = 194,503,636,965.12
  5. Step 5: Solve for x
    x = 194,503,636,965.12/437,435.20
  6. Step 6: Final answer
    x = 444,645.60

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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.