Home / 899,444.80-1,347,417.60-543,401.20

Finding the Fourth Proportional to 899,444.80, 1,347,417.60 and 543,401.20

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Solution

The fourth proportional to 899,444.80, 1,347,417.60 and 543,401.20 is: 814,044.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,444.80 : 1,347,417.60 = 543,401.20 : x
  2. Step 2: Convert to fraction form
    899,444.80/1,347,417.60 = 543,401.20/x
  3. Step 3: Cross multiply
    899,444.80x = 1,347,417.60 × 543,401.20
  4. Step 4: Simplify right side
    899,444.80x = 732,188,340,741.12
  5. Step 5: Solve for x
    x = 732,188,340,741.12/899,444.80
  6. Step 6: Final answer
    x = 814,044.78

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Double scale
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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.