Home / 1,035,384.27-1,428,895.13-627,521.73

Finding the Fourth Proportional to 1,035,384.27, 1,428,895.13 and 627,521.73

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Solution

The fourth proportional to 1,035,384.27, 1,428,895.13 and 627,521.73 is: 866,019.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,384.27 : 1,428,895.13 = 627,521.73 : x
  2. Step 2: Convert to fraction form
    1,035,384.27/1,428,895.13 = 627,521.73/x
  3. Step 3: Cross multiply
    1,035,384.27x = 1,428,895.13 × 627,521.73
  4. Step 4: Simplify right side
    1,035,384.27x = 896,662,740,828.57
  5. Step 5: Solve for x
    x = 896,662,740,828.57/1,035,384.27
  6. Step 6: Final answer
    x = 866,019.28

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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.