Home / 1,312,147.95-1,967,926.62-470,699.70

Finding the Fourth Proportional to 1,312,147.95, 1,967,926.62 and 470,699.70

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Solution

The fourth proportional to 1,312,147.95, 1,967,926.62 and 470,699.70 is: 705,943.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,147.95 : 1,967,926.62 = 470,699.70 : x
  2. Step 2: Convert to fraction form
    1,312,147.95/1,967,926.62 = 470,699.70/x
  3. Step 3: Cross multiply
    1,312,147.95x = 1,967,926.62 × 470,699.70
  4. Step 4: Simplify right side
    1,312,147.95x = 926,302,469,656.01
  5. Step 5: Solve for x
    x = 926,302,469,656.01/1,312,147.95
  6. Step 6: Final answer
    x = 705,943.62

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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.