Home / 782,114.20-1,175,504.10-768,117.40

Finding the Fourth Proportional to 782,114.20, 1,175,504.10 and 768,117.40

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Solution

The fourth proportional to 782,114.20, 1,175,504.10 and 768,117.40 is: 1,154,467.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,114.20 : 1,175,504.10 = 768,117.40 : x
  2. Step 2: Convert to fraction form
    782,114.20/1,175,504.10 = 768,117.40/x
  3. Step 3: Cross multiply
    782,114.20x = 1,175,504.10 × 768,117.40
  4. Step 4: Simplify right side
    782,114.20x = 902,925,152,981.34
  5. Step 5: Solve for x
    x = 902,925,152,981.34/782,114.20
  6. Step 6: Final answer
    x = 1,154,467.15

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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.