Home / 864,256.20-1,296,384.30-714,665.40

Finding the Fourth Proportional to 864,256.20, 1,296,384.30 and 714,665.40

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Solution

The fourth proportional to 864,256.20, 1,296,384.30 and 714,665.40 is: 1,071,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,256.20 : 1,296,384.30 = 714,665.40 : x
  2. Step 2: Convert to fraction form
    864,256.20/1,296,384.30 = 714,665.40/x
  3. Step 3: Cross multiply
    864,256.20x = 1,296,384.30 × 714,665.40
  4. Step 4: Simplify right side
    864,256.20x = 926,481,004,313.22
  5. Step 5: Solve for x
    x = 926,481,004,313.22/864,256.20
  6. Step 6: Final answer
    x = 1,071,998.10

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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.