Home / 1,757,428.16-2,636,378.40-619,923.20

Finding the Fourth Proportional to 1,757,428.16, 2,636,378.40 and 619,923.20

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Solution

The fourth proportional to 1,757,428.16, 2,636,378.40 and 619,923.20 is: 929,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757,428.16 : 2,636,378.40 = 619,923.20 : x
  2. Step 2: Convert to fraction form
    1,757,428.16/2,636,378.40 = 619,923.20/x
  3. Step 3: Cross multiply
    1,757,428.16x = 2,636,378.40 × 619,923.20
  4. Step 4: Simplify right side
    1,757,428.16x = 1,634,352,134,138.88
  5. Step 5: Solve for x
    x = 1,634,352,134,138.88/1,757,428.16
  6. Step 6: Final answer
    x = 929,968.10

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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.