Home / 1,373,075.16-1,894,956.01-761,419.78

Finding the Fourth Proportional to 1,373,075.16, 1,894,956.01 and 761,419.78

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Solution

The fourth proportional to 1,373,075.16, 1,894,956.01 and 761,419.78 is: 1,050,821.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,075.16 : 1,894,956.01 = 761,419.78 : x
  2. Step 2: Convert to fraction form
    1,373,075.16/1,894,956.01 = 761,419.78/x
  3. Step 3: Cross multiply
    1,373,075.16x = 1,894,956.01 × 761,419.78
  4. Step 4: Simplify right side
    1,373,075.16x = 1,442,856,991,077.72
  5. Step 5: Solve for x
    x = 1,442,856,991,077.72/1,373,075.16
  6. Step 6: Final answer
    x = 1,050,821.57

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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.