Home / 977,355.20-1,466,032.80-809,393.60

Finding the Fourth Proportional to 977,355.20, 1,466,032.80 and 809,393.60

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Solution

The fourth proportional to 977,355.20, 1,466,032.80 and 809,393.60 is: 1,214,090.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,355.20 : 1,466,032.80 = 809,393.60 : x
  2. Step 2: Convert to fraction form
    977,355.20/1,466,032.80 = 809,393.60/x
  3. Step 3: Cross multiply
    977,355.20x = 1,466,032.80 × 809,393.60
  4. Step 4: Simplify right side
    977,355.20x = 1,186,597,565,710.08
  5. Step 5: Solve for x
    x = 1,186,597,565,710.08/977,355.20
  6. Step 6: Final answer
    x = 1,214,090.40

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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.