Home / 770,295.84-1,063,155.20-516,090.24

Finding the Fourth Proportional to 770,295.84, 1,063,155.20 and 516,090.24

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Solution

The fourth proportional to 770,295.84, 1,063,155.20 and 516,090.24 is: 712,302.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,295.84 : 1,063,155.20 = 516,090.24 : x
  2. Step 2: Convert to fraction form
    770,295.84/1,063,155.20 = 516,090.24/x
  3. Step 3: Cross multiply
    770,295.84x = 1,063,155.20 × 516,090.24
  4. Step 4: Simplify right side
    770,295.84x = 548,684,022,325.25
  5. Step 5: Solve for x
    x = 548,684,022,325.25/770,295.84
  6. Step 6: Final answer
    x = 712,302.98

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.