Home / 746,705.20-1,122,390.60-732,708.40

Finding the Fourth Proportional to 746,705.20, 1,122,390.60 and 732,708.40

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Solution

The fourth proportional to 746,705.20, 1,122,390.60 and 732,708.40 is: 1,101,351.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,705.20 : 1,122,390.60 = 732,708.40 : x
  2. Step 2: Convert to fraction form
    746,705.20/1,122,390.60 = 732,708.40/x
  3. Step 3: Cross multiply
    746,705.20x = 1,122,390.60 × 732,708.40
  4. Step 4: Simplify right side
    746,705.20x = 822,385,020,701.04
  5. Step 5: Solve for x
    x = 822,385,020,701.04/746,705.20
  6. Step 6: Final answer
    x = 1,101,351.67

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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.