Home / 806,210.40-1,209,315.60-293,914

Finding the Fourth Proportional to 806,210.40, 1,209,315.60 and 293,914

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Solution

The fourth proportional to 806,210.40, 1,209,315.60 and 293,914 is: 440,871

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,210.40 : 1,209,315.60 = 293,914 : x
  2. Step 2: Convert to fraction form
    806,210.40/1,209,315.60 = 293,914/x
  3. Step 3: Cross multiply
    806,210.40x = 1,209,315.60 × 293,914
  4. Step 4: Simplify right side
    806,210.40x = 355,434,785,258.40
  5. Step 5: Solve for x
    x = 355,434,785,258.40/806,210.40
  6. Step 6: Final answer
    x = 440,871

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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.