Home / 1,129,614.80-1,691,657.40-537,947.60

Finding the Fourth Proportional to 1,129,614.80, 1,691,657.40 and 537,947.60

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Solution

The fourth proportional to 1,129,614.80, 1,691,657.40 and 537,947.60 is: 805,604.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,614.80 : 1,691,657.40 = 537,947.60 : x
  2. Step 2: Convert to fraction form
    1,129,614.80/1,691,657.40 = 537,947.60/x
  3. Step 3: Cross multiply
    1,129,614.80x = 1,691,657.40 × 537,947.60
  4. Step 4: Simplify right side
    1,129,614.80x = 910,023,038,352.24
  5. Step 5: Solve for x
    x = 910,023,038,352.24/1,129,614.80
  6. Step 6: Final answer
    x = 805,604.74

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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.