Home / 788,854.20-1,183,281.30-657,634.20

Finding the Fourth Proportional to 788,854.20, 1,183,281.30 and 657,634.20

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Solution

The fourth proportional to 788,854.20, 1,183,281.30 and 657,634.20 is: 986,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,854.20 : 1,183,281.30 = 657,634.20 : x
  2. Step 2: Convert to fraction form
    788,854.20/1,183,281.30 = 657,634.20/x
  3. Step 3: Cross multiply
    788,854.20x = 1,183,281.30 × 657,634.20
  4. Step 4: Simplify right side
    788,854.20x = 778,166,251,100.46
  5. Step 5: Solve for x
    x = 778,166,251,100.46/788,854.20
  6. Step 6: Final answer
    x = 986,451.30

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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.