Home / 788,890.20-1,183,335.30-657,670.20

Finding the Fourth Proportional to 788,890.20, 1,183,335.30 and 657,670.20

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Solution

The fourth proportional to 788,890.20, 1,183,335.30 and 657,670.20 is: 986,505.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,890.20 : 1,183,335.30 = 657,670.20 : x
  2. Step 2: Convert to fraction form
    788,890.20/1,183,335.30 = 657,670.20/x
  3. Step 3: Cross multiply
    788,890.20x = 1,183,335.30 × 657,670.20
  4. Step 4: Simplify right side
    788,890.20x = 778,244,363,418.06
  5. Step 5: Solve for x
    x = 778,244,363,418.06/788,890.20
  6. Step 6: Final answer
    x = 986,505.30

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Half scale
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Double scale
Find fourth proportional to 788,891.20, 1,183,336.80 and 657,671.20
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.