Home / 1,953,812.40-2,930,748.84-690,756.72

Finding the Fourth Proportional to 1,953,812.40, 2,930,748.84 and 690,756.72

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Solution

The fourth proportional to 1,953,812.40, 2,930,748.84 and 690,756.72 is: 1,036,145.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953,812.40 : 2,930,748.84 = 690,756.72 : x
  2. Step 2: Convert to fraction form
    1,953,812.40/2,930,748.84 = 690,756.72/x
  3. Step 3: Cross multiply
    1,953,812.40x = 2,930,748.84 × 690,756.72
  4. Step 4: Simplify right side
    1,953,812.40x = 2,024,434,455,862.20
  5. Step 5: Solve for x
    x = 2,024,434,455,862.20/1,953,812.40
  6. Step 6: Final answer
    x = 1,036,145.77

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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.