Home / 767,715.10-1,151,572.65-543,328.90

Finding the Fourth Proportional to 767,715.10, 1,151,572.65 and 543,328.90

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Solution

The fourth proportional to 767,715.10, 1,151,572.65 and 543,328.90 is: 814,993.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,715.10 : 1,151,572.65 = 543,328.90 : x
  2. Step 2: Convert to fraction form
    767,715.10/1,151,572.65 = 543,328.90/x
  3. Step 3: Cross multiply
    767,715.10x = 1,151,572.65 × 543,328.90
  4. Step 4: Simplify right side
    767,715.10x = 625,682,701,194.59
  5. Step 5: Solve for x
    x = 625,682,701,194.59/767,715.10
  6. Step 6: Final answer
    x = 814,993.35

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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.