Home / 977,548.80-1,466,979.30-577,765.20

Finding the Fourth Proportional to 977,548.80, 1,466,979.30 and 577,765.20

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Solution

The fourth proportional to 977,548.80, 1,466,979.30 and 577,765.20 is: 867,035.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,548.80 : 1,466,979.30 = 577,765.20 : x
  2. Step 2: Convert to fraction form
    977,548.80/1,466,979.30 = 577,765.20/x
  3. Step 3: Cross multiply
    977,548.80x = 1,466,979.30 × 577,765.20
  4. Step 4: Simplify right side
    977,548.80x = 847,569,588,660.36
  5. Step 5: Solve for x
    x = 847,569,588,660.36/977,548.80
  6. Step 6: Final answer
    x = 867,035.58

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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.