Home / 712,681.20-982,692.81-454,212.36

Finding the Fourth Proportional to 712,681.20, 982,692.81 and 454,212.36

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Solution

The fourth proportional to 712,681.20, 982,692.81 and 454,212.36 is: 626,298.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,681.20 : 982,692.81 = 454,212.36 : x
  2. Step 2: Convert to fraction form
    712,681.20/982,692.81 = 454,212.36/x
  3. Step 3: Cross multiply
    712,681.20x = 982,692.81 × 454,212.36
  4. Step 4: Simplify right side
    712,681.20x = 446,351,220,385.13
  5. Step 5: Solve for x
    x = 446,351,220,385.13/712,681.20
  6. Step 6: Final answer
    x = 626,298.58

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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.