Home / 977,157.92-1,348,516.64-547,441.60

Finding the Fourth Proportional to 977,157.92, 1,348,516.64 and 547,441.60

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Solution

The fourth proportional to 977,157.92, 1,348,516.64 and 547,441.60 is: 755,491.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,157.92 : 1,348,516.64 = 547,441.60 : x
  2. Step 2: Convert to fraction form
    977,157.92/1,348,516.64 = 547,441.60/x
  3. Step 3: Cross multiply
    977,157.92x = 1,348,516.64 × 547,441.60
  4. Step 4: Simplify right side
    977,157.92x = 738,234,107,028.22
  5. Step 5: Solve for x
    x = 738,234,107,028.22/977,157.92
  6. Step 6: Final answer
    x = 755,491.10

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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.