Home / 955,048.56-1,318,153.88-547,423.32

Finding the Fourth Proportional to 955,048.56, 1,318,153.88 and 547,423.32

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Solution

The fourth proportional to 955,048.56, 1,318,153.88 and 547,423.32 is: 755,551.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,048.56 : 1,318,153.88 = 547,423.32 : x
  2. Step 2: Convert to fraction form
    955,048.56/1,318,153.88 = 547,423.32/x
  3. Step 3: Cross multiply
    955,048.56x = 1,318,153.88 × 547,423.32
  4. Step 4: Simplify right side
    955,048.56x = 721,588,173,260.48
  5. Step 5: Solve for x
    x = 721,588,173,260.48/955,048.56
  6. Step 6: Final answer
    x = 755,551.29

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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.