Home / 1,440,707.76-2,161,153.80-554,243.76

Finding the Fourth Proportional to 1,440,707.76, 2,161,153.80 and 554,243.76

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Solution

The fourth proportional to 1,440,707.76, 2,161,153.80 and 554,243.76 is: 831,401.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,707.76 : 2,161,153.80 = 554,243.76 : x
  2. Step 2: Convert to fraction form
    1,440,707.76/2,161,153.80 = 554,243.76/x
  3. Step 3: Cross multiply
    1,440,707.76x = 2,161,153.80 × 554,243.76
  4. Step 4: Simplify right side
    1,440,707.76x = 1,197,806,008,050.29
  5. Step 5: Solve for x
    x = 1,197,806,008,050.29/1,440,707.76
  6. Step 6: Final answer
    x = 831,401.09

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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.