Home / 1,069,103.76-1,474,803.90-661,075.14

Finding the Fourth Proportional to 1,069,103.76, 1,474,803.90 and 661,075.14

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Solution

The fourth proportional to 1,069,103.76, 1,474,803.90 and 661,075.14 is: 911,937.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,103.76 : 1,474,803.90 = 661,075.14 : x
  2. Step 2: Convert to fraction form
    1,069,103.76/1,474,803.90 = 661,075.14/x
  3. Step 3: Cross multiply
    1,069,103.76x = 1,474,803.90 × 661,075.14
  4. Step 4: Simplify right side
    1,069,103.76x = 974,956,194,665.05
  5. Step 5: Solve for x
    x = 974,956,194,665.05/1,069,103.76
  6. Step 6: Final answer
    x = 911,937.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.