Home / 783,107.85-1,174,661.78-650,253.45

Finding the Fourth Proportional to 783,107.85, 1,174,661.78 and 650,253.45

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Solution

The fourth proportional to 783,107.85, 1,174,661.78 and 650,253.45 is: 975,380.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,107.85 : 1,174,661.78 = 650,253.45 : x
  2. Step 2: Convert to fraction form
    783,107.85/1,174,661.78 = 650,253.45/x
  3. Step 3: Cross multiply
    783,107.85x = 1,174,661.78 × 650,253.45
  4. Step 4: Simplify right side
    783,107.85x = 763,827,871,776.87
  5. Step 5: Solve for x
    x = 763,827,871,776.87/783,107.85
  6. Step 6: Final answer
    x = 975,380.18

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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.