Home / 788,461.60-1,182,692.40-780,167.20

Finding the Fourth Proportional to 788,461.60, 1,182,692.40 and 780,167.20

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Solution

The fourth proportional to 788,461.60, 1,182,692.40 and 780,167.20 is: 1,170,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,461.60 : 1,182,692.40 = 780,167.20 : x
  2. Step 2: Convert to fraction form
    788,461.60/1,182,692.40 = 780,167.20/x
  3. Step 3: Cross multiply
    788,461.60x = 1,182,692.40 × 780,167.20
  4. Step 4: Simplify right side
    788,461.60x = 922,697,818,169.28
  5. Step 5: Solve for x
    x = 922,697,818,169.28/788,461.60
  6. Step 6: Final answer
    x = 1,170,250.80

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1.5x scale

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.