Home / 1,217,620.40-1,826,430.60-552,772.40

Finding the Fourth Proportional to 1,217,620.40, 1,826,430.60 and 552,772.40

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Solution

The fourth proportional to 1,217,620.40, 1,826,430.60 and 552,772.40 is: 829,158.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,620.40 : 1,826,430.60 = 552,772.40 : x
  2. Step 2: Convert to fraction form
    1,217,620.40/1,826,430.60 = 552,772.40/x
  3. Step 3: Cross multiply
    1,217,620.40x = 1,826,430.60 × 552,772.40
  4. Step 4: Simplify right side
    1,217,620.40x = 1,009,600,426,195.44
  5. Step 5: Solve for x
    x = 1,009,600,426,195.44/1,217,620.40
  6. Step 6: Final answer
    x = 829,158.60

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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.