Home / 783,113.60-1,174,670.40-650,259.20

Finding the Fourth Proportional to 783,113.60, 1,174,670.40 and 650,259.20

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Solution

The fourth proportional to 783,113.60, 1,174,670.40 and 650,259.20 is: 975,388.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,113.60 : 1,174,670.40 = 650,259.20 : x
  2. Step 2: Convert to fraction form
    783,113.60/1,174,670.40 = 650,259.20/x
  3. Step 3: Cross multiply
    783,113.60x = 1,174,670.40 × 650,259.20
  4. Step 4: Simplify right side
    783,113.60x = 763,840,234,567.68
  5. Step 5: Solve for x
    x = 763,840,234,567.68/783,113.60
  6. Step 6: Final answer
    x = 975,388.80

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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.