Home / 1,316,448.20-1,974,089.10-606,693.80

Finding the Fourth Proportional to 1,316,448.20, 1,974,089.10 and 606,693.80

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Solution

The fourth proportional to 1,316,448.20, 1,974,089.10 and 606,693.80 is: 909,771.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,448.20 : 1,974,089.10 = 606,693.80 : x
  2. Step 2: Convert to fraction form
    1,316,448.20/1,974,089.10 = 606,693.80/x
  3. Step 3: Cross multiply
    1,316,448.20x = 1,974,089.10 × 606,693.80
  4. Step 4: Simplify right side
    1,316,448.20x = 1,197,667,617,617.58
  5. Step 5: Solve for x
    x = 1,197,667,617,617.58/1,316,448.20
  6. Step 6: Final answer
    x = 909,771.93

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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.