Home / 1,006,707.06-1,389,254.94-553,998.06

Finding the Fourth Proportional to 1,006,707.06, 1,389,254.94 and 553,998.06

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Solution

The fourth proportional to 1,006,707.06, 1,389,254.94 and 553,998.06 is: 764,516.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,707.06 : 1,389,254.94 = 553,998.06 : x
  2. Step 2: Convert to fraction form
    1,006,707.06/1,389,254.94 = 553,998.06/x
  3. Step 3: Cross multiply
    1,006,707.06x = 1,389,254.94 × 553,998.06
  4. Step 4: Simplify right side
    1,006,707.06x = 769,644,541,605.42
  5. Step 5: Solve for x
    x = 769,644,541,605.42/1,006,707.06
  6. Step 6: Final answer
    x = 764,516.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.