Home / 983,631.60-1,475,447.40-977,410.80

Finding the Fourth Proportional to 983,631.60, 1,475,447.40 and 977,410.80

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Solution

The fourth proportional to 983,631.60, 1,475,447.40 and 977,410.80 is: 1,466,116.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,631.60 : 1,475,447.40 = 977,410.80 : x
  2. Step 2: Convert to fraction form
    983,631.60/1,475,447.40 = 977,410.80/x
  3. Step 3: Cross multiply
    983,631.60x = 1,475,447.40 × 977,410.80
  4. Step 4: Simplify right side
    983,631.60x = 1,442,118,223,591.92
  5. Step 5: Solve for x
    x = 1,442,118,223,591.92/983,631.60
  6. Step 6: Final answer
    x = 1,466,116.20

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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.