Home / 977,105.20-1,465,657.80-737,604.40

Finding the Fourth Proportional to 977,105.20, 1,465,657.80 and 737,604.40

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Solution

The fourth proportional to 977,105.20, 1,465,657.80 and 737,604.40 is: 1,106,406.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,105.20 : 1,465,657.80 = 737,604.40 : x
  2. Step 2: Convert to fraction form
    977,105.20/1,465,657.80 = 737,604.40/x
  3. Step 3: Cross multiply
    977,105.20x = 1,465,657.80 × 737,604.40
  4. Step 4: Simplify right side
    977,105.20x = 1,081,075,642,174.32
  5. Step 5: Solve for x
    x = 1,081,075,642,174.32/977,105.20
  6. Step 6: Final answer
    x = 1,106,406.60

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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.