Home / 1,223,882.66-1,688,474.43-707,541.55

Finding the Fourth Proportional to 1,223,882.66, 1,688,474.43 and 707,541.55

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Solution

The fourth proportional to 1,223,882.66, 1,688,474.43 and 707,541.55 is: 976,127.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,882.66 : 1,688,474.43 = 707,541.55 : x
  2. Step 2: Convert to fraction form
    1,223,882.66/1,688,474.43 = 707,541.55/x
  3. Step 3: Cross multiply
    1,223,882.66x = 1,688,474.43 × 707,541.55
  4. Step 4: Simplify right side
    1,223,882.66x = 1,194,665,811,116.38
  5. Step 5: Solve for x
    x = 1,194,665,811,116.38/1,223,882.66
  6. Step 6: Final answer
    x = 976,127.73

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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.