Home / 750,631.40-1,124,416.20-465,446.60

Finding the Fourth Proportional to 750,631.40, 1,124,416.20 and 465,446.60

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Solution

The fourth proportional to 750,631.40, 1,124,416.20 and 465,446.60 is: 697,220.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,631.40 : 1,124,416.20 = 465,446.60 : x
  2. Step 2: Convert to fraction form
    750,631.40/1,124,416.20 = 465,446.60/x
  3. Step 3: Cross multiply
    750,631.40x = 1,124,416.20 × 465,446.60
  4. Step 4: Simplify right side
    750,631.40x = 523,355,697,274.92
  5. Step 5: Solve for x
    x = 523,355,697,274.92/750,631.40
  6. Step 6: Final answer
    x = 697,220.63

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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.