Home / 885,713.40-1,328,570.10-530,544.60

Finding the Fourth Proportional to 885,713.40, 1,328,570.10 and 530,544.60

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Solution

The fourth proportional to 885,713.40, 1,328,570.10 and 530,544.60 is: 795,816.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,713.40 : 1,328,570.10 = 530,544.60 : x
  2. Step 2: Convert to fraction form
    885,713.40/1,328,570.10 = 530,544.60/x
  3. Step 3: Cross multiply
    885,713.40x = 1,328,570.10 × 530,544.60
  4. Step 4: Simplify right side
    885,713.40x = 704,865,692,276.46
  5. Step 5: Solve for x
    x = 704,865,692,276.46/885,713.40
  6. Step 6: Final answer
    x = 795,816.90

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Double scale
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Similar ratio
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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.