Home / 783,110.60-1,174,665.90-650,256.20

Finding the Fourth Proportional to 783,110.60, 1,174,665.90 and 650,256.20

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Solution

The fourth proportional to 783,110.60, 1,174,665.90 and 650,256.20 is: 975,384.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,110.60 : 1,174,665.90 = 650,256.20 : x
  2. Step 2: Convert to fraction form
    783,110.60/1,174,665.90 = 650,256.20/x
  3. Step 3: Cross multiply
    783,110.60x = 1,174,665.90 × 650,256.20
  4. Step 4: Simplify right side
    783,110.60x = 763,833,784,403.58
  5. Step 5: Solve for x
    x = 763,833,784,403.58/783,110.60
  6. Step 6: Final answer
    x = 975,384.30

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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.