Home / 983,606.60-1,475,409.90-977,385.80

Finding the Fourth Proportional to 983,606.60, 1,475,409.90 and 977,385.80

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Solution

The fourth proportional to 983,606.60, 1,475,409.90 and 977,385.80 is: 1,466,078.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,606.60 : 1,475,409.90 = 977,385.80 : x
  2. Step 2: Convert to fraction form
    983,606.60/1,475,409.90 = 977,385.80/x
  3. Step 3: Cross multiply
    983,606.60x = 1,475,409.90 × 977,385.80
  4. Step 4: Simplify right side
    983,606.60x = 1,442,044,685,439.42
  5. Step 5: Solve for x
    x = 1,442,044,685,439.42/983,606.60
  6. Step 6: Final answer
    x = 1,466,078.70

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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.